diff --git a/.github/workflows/daily.yaml b/.github/workflows/daily.yaml
index 6ef55bc..35b4f08 100644
--- a/.github/workflows/daily.yaml
+++ b/.github/workflows/daily.yaml
@@ -1,6 +1,7 @@
 name: Daily Collection
 
 on:
+  workflow_dispatch:
   schedule:
     - cron:  '0 0 * * *'
 
@@ -8,11 +9,11 @@ jobs:
   collect:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: '3.13'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/dryrun.yaml b/.github/workflows/dryrun.yaml
index 3463660..6953831 100644
--- a/.github/workflows/dryrun.yaml
+++ b/.github/workflows/dryrun.yaml
@@ -9,11 +9,11 @@ jobs:
   collect:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: '3.13'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
new file mode 100644
index 0000000..e84f94b
--- /dev/null
+++ b/.github/workflows/lint.yaml
@@ -0,0 +1,23 @@
+name: Style Checks
+
+on:
+  push:
+  pull_request:
+    types: [opened, reopened]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.13
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.13'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install invoke .[dev]
+    - name: Run lint checks
+      run: invoke lint
+
diff --git a/.github/workflows/manual.yaml b/.github/workflows/manual.yaml
index f6b2d0e..6d9b8d2 100644
--- a/.github/workflows/manual.yaml
+++ b/.github/workflows/manual.yaml
@@ -24,11 +24,11 @@ jobs:
   collect:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: '3.13'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/Makefile b/Makefile
index 461cf0f..f3672fb 100644
--- a/Makefile
+++ b/Makefile
@@ -59,7 +59,7 @@ install: clean-build clean-pyc ## install the package to the active Python's sit
 
 .PHONY: install-develop
 install-develop: clean-build clean-pyc ## install the package in editable mode and dependencies for development
-	pip install -r dev-requirements.txt -e .
+	pip install -e .[dev]
 
 
 # LINT TARGETS
@@ -67,3 +67,7 @@ install-develop: clean-build clean-pyc ## install the package in editable mode a
 .PHONY: lint
 lint: ## check style with flake8 and isort
 	invoke lint
+
+.PHONY: fix-lint
+fix-lint:
+	invoke fix-lint
diff --git a/dev-requirements.txt b/dev-requirements.txt
deleted file mode 100644
index fa7827c..0000000
--- a/dev-requirements.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-invoke
-pytest
-pycodestyle<2.8.0>=2.7.0
-pyflakes<2.4.0>=2.3.0
-flake8>=3.7.7<4
-flake8-absolute-import>=1.0<2
-flake8-builtins>=1.5.3<1.6
-flake8-comprehensions>=3.6.1<3.7
-flake8-debugger>=4.0.0<4.1
-flake8-docstrings>=1.5.0<2
-flake8-mock>=0.3<0.4
-flake8-variables-names>=0.0.4<0.1
-dlint>=0.11.0<0.12
-flake8-fixme>=1.1.1<1.2
-flake8-eradicate>=1.1.0<1.2
-flake8-mutable>=1.2.0<1.3
-flake8-print>=4.0.0<4.1
-isort>=4.3.4<5
-pylint>=2.5.3<3
-pandas-vet>=0.2.2<0.3
-flake8-pytest-style>=1.5.0<2
-flake8-quotes>=3.3.0<4
-flake8-expression-complexity>=0.0.9<0.1
-pep8-naming>=0.12.1<0.13
-pydocstyle>=6.1.1<6.2
-flake8-sfs>=0.0.3<0.1
diff --git a/download_analytics/__main__.py b/download_analytics/__main__.py
index 3fc15d2..312184c 100644
--- a/download_analytics/__main__.py
+++ b/download_analytics/__main__.py
@@ -71,15 +71,21 @@ def _valid_date(arg):
 def _get_parser():
     # Logging
     logging_args = argparse.ArgumentParser(add_help=False)
-    logging_args.add_argument('-v', '--verbose', action='count', default=0,
-                              help='Be verbose. Use `-vv` for increased verbosity.')
-    logging_args.add_argument('-l', '--logfile',
-                              help='If given, file where the logs will be written.')
+    logging_args.add_argument(
+        '-v',
+        '--verbose',
+        action='count',
+        default=0,
+        help='Be verbose. Use `-vv` for increased verbosity.',
+    )
+    logging_args.add_argument(
+        '-l', '--logfile', help='If given, file where the logs will be written.'
+    )
 
     parser = argparse.ArgumentParser(
         prog='download-analytics',
         description='Download Analytics Command Line Interface',
-        parents=[logging_args]
+        parents=[logging_args],
     )
     parser.set_defaults(action=None)
     action = parser.add_subparsers(title='action')
@@ -90,36 +96,67 @@ def _get_parser():
     collect.set_defaults(action=_collect)
 
     collect.add_argument(
-        '-o', '--output-folder', type=str, required=False,
+        '-o',
+        '--output-folder',
+        type=str,
+        required=False,
         help=(
             'Path to the folder where data will be stored. It can be a local path or a'
             ' Google Drive folder path in the format gdrive://<folder-id>'
-        )
+        ),
     )
     collect.add_argument(
-        '-a', '--authentication-credentials', type=str, required=False,
-        help='Path to the GCP (BigQuery) credentials file to use.')
+        '-a',
+        '--authentication-credentials',
+        type=str,
+        required=False,
+        help='Path to the GCP (BigQuery) credentials file to use.',
+    )
     collect.add_argument(
-        '-c', '--config-file', type=str, default='config.yaml',
-        help='Path to the configuration file.')
+        '-c',
+        '--config-file',
+        type=str,
+        default='config.yaml',
+        help='Path to the configuration file.',
+    )
     collect.add_argument(
-        '-p', '--projects', nargs='*',
-        help='List of projects to collect. If not given use the configured ones.')
+        '-p',
+        '--projects',
+        nargs='*',
+        help='List of projects to collect. If not given use the configured ones.',
+    )
     collect.add_argument(
-        '-s', '--start-date', type=_valid_date, required=False,
-        help='Date from which to start pulling data.')
+        '-s',
+        '--start-date',
+        type=_valid_date,
+        required=False,
+        help='Date from which to start pulling data.',
+    )
     collect.add_argument(
-        '-m', '--max-days', type=int, required=False,
-        help='Max days of data to pull if start-date is not given.')
+        '-m',
+        '--max-days',
+        type=int,
+        required=False,
+        help='Max days of data to pull if start-date is not given.',
+    )
     collect.add_argument(
-        '-d', '--dry-run', action='store_true',
-        help='Do not run the actual query, only simulate it.')
+        '-d',
+        '--dry-run',
+        action='store_true',
+        help='Do not run the actual query, only simulate it.',
+    )
     collect.add_argument(
-        '-f', '--force', action='store_true',
-        help='Force the download even if the data already exists or there is a gap')
+        '-f',
+        '--force',
+        action='store_true',
+        help='Force the download even if the data already exists or there is a gap',
+    )
     collect.add_argument(
-        '-M', '--add-metrics', action='store_true',
-        help='Compute the aggregation metrics and create the corresponding spreadsheets.')
+        '-M',
+        '--add-metrics',
+        action='store_true',
+        help='Compute the aggregation metrics and create the corresponding spreadsheets.',
+    )
 
     return parser
 
diff --git a/download_analytics/bq.py b/download_analytics/bq.py
index dcfa384..7e00a09 100644
--- a/download_analytics/bq.py
+++ b/download_analytics/bq.py
@@ -30,7 +30,10 @@ def _get_bq_client(credentials_file):
         scopes=['https://www.googleapis.com/auth/cloud-platform'],
     )
 
-    return bigquery.Client(credentials=credentials, project=credentials.project_id,)
+    return bigquery.Client(
+        credentials=credentials,
+        project=credentials.project_id,
+    )
 
 
 def run_query(query, dry_run=False, credentials_file=None):
@@ -41,14 +44,14 @@ def run_query(query, dry_run=False, credentials_file=None):
 
     job_config = bigquery.QueryJobConfig(dry_run=True, use_query_cache=False)
     dry_run_job = client.query(query, job_config=job_config)
-    LOGGER.info('Estimated processed GBs: %.2f', dry_run_job.total_bytes_processed / 1024 ** 3)
+    LOGGER.info('Estimated processed GBs: %.2f', dry_run_job.total_bytes_processed / 1024**3)
 
     if dry_run:
         return None
 
     query_job = client.query(query)
     data = query_job.to_dataframe()
-    LOGGER.info('Total processed GBs: %.2f', query_job.total_bytes_processed / 1024 ** 3)
-    LOGGER.info('Total billed GBs: %.2f', query_job.total_bytes_billed / 1024 ** 3)
+    LOGGER.info('Total processed GBs: %.2f', query_job.total_bytes_processed / 1024**3)
+    LOGGER.info('Total billed GBs: %.2f', query_job.total_bytes_billed / 1024**3)
 
     return data
diff --git a/download_analytics/drive.py b/download_analytics/drive.py
index cc1d2e0..b29362c 100644
--- a/download_analytics/drive.py
+++ b/download_analytics/drive.py
@@ -91,11 +91,7 @@ def upload(content, filename, folder, convert=False):
     except FileNotFoundError:
         file_config = {
             'title': filename,
-            'parents': [
-                {
-                    'id': folder
-                }
-            ],
+            'parents': [{'id': folder}],
         }
         drive_file = drive.CreateFile(file_config)
 
diff --git a/download_analytics/main.py b/download_analytics/main.py
index 5962e0c..f58b19f 100644
--- a/download_analytics/main.py
+++ b/download_analytics/main.py
@@ -9,8 +9,16 @@
 LOGGER = logging.getLogger(__name__)
 
 
-def collect_downloads(projects, output_folder, start_date=None, max_days=1, credentials_file=None,
-                      dry_run=False, force=False, add_metrics=True):
+def collect_downloads(
+    projects,
+    output_folder,
+    start_date=None,
+    max_days=1,
+    credentials_file=None,
+    dry_run=False,
+    force=False,
+    add_metrics=True,
+):
     """Pull data about the downloads of a list of projects.
 
     Args:
@@ -49,7 +57,7 @@ def collect_downloads(projects, output_folder, start_date=None, max_days=1, cred
         max_days=max_days,
         credentials_file=credentials_file,
         dry_run=dry_run,
-        force=force
+        force=force,
     )
 
     if pypi_downloads.empty:
diff --git a/download_analytics/metrics.py b/download_analytics/metrics.py
index 595ae88..a50569f 100644
--- a/download_analytics/metrics.py
+++ b/download_analytics/metrics.py
@@ -3,6 +3,8 @@
 import logging
 import re
 
+import pandas as pd
+
 from download_analytics.output import create_spreadsheet
 
 LOGGER = logging.getLogger(__name__)
@@ -35,7 +37,7 @@ def _historical_groupby(downloads, groupbys=None):
 
     for groupby in groupbys:
         grouped = downloads.groupby([year_month, groupby])
-        grouped_sizes = grouped.size().unstack(-1)
+        grouped_sizes = grouped.size().unstack(-1)  # noqa: PD010
         if len(groupbys) > 1:
             grouped_sizes.columns = f"{groupby}='" + grouped_sizes.columns + "'"
 
@@ -43,16 +45,13 @@ def _historical_groupby(downloads, groupbys=None):
 
     totals = base.sum()
     totals.name = 'total'
-    base = base.append(totals)
+    base = pd.concat([base, totals], ignore_index=True)
 
     return base.reset_index().iloc[::-1]
 
 
 def _get_sheet_name(column):
-    words = [
-        f'{word[0].upper()}{word[1:]}'
-        for word in column.split('_')
-    ]
+    words = [f'{word[0].upper()}{word[1:]}' for word in column.split('_')]
     return ' '.join(['By'] + words)
 
 
@@ -121,7 +120,7 @@ def _version_element_order_key(version):
                 # while it shouldn't enter the `if`.
                 pass
 
-    components.append(last_component[len(last_numeric):])
+    components.append(last_component[len(last_numeric) :])
 
     return components
 
@@ -133,7 +132,7 @@ def _version_order_key(version_column):
 def _mangle_columns(downloads):
     downloads = downloads.rename(columns=RENAME_COLUMNS)
     downloads['full_python_version'] = downloads['python_version']
-    downloads['python_version'] = downloads['python_version'].str.rsplit('.', 1).str[0]
+    downloads['python_version'] = downloads['python_version'].str.rsplit('.', n=1).str[0]
     downloads['project_version'] = downloads['project'] + '-' + downloads['version']
     downloads['distro_version'] = downloads['distro_name'] + ' ' + downloads['distro_version']
     downloads['distro_kernel'] = downloads['distro_version'] + ' - ' + downloads['distro_kernel']
@@ -150,9 +149,7 @@ def compute_metrics(downloads, output_path=None):
     downloads = _mangle_columns(downloads)
 
     LOGGER.debug('Aggregating by month')
-    sheets = {
-        'By Month': _by_month(downloads)
-    }
+    sheets = {'By Month': _by_month(downloads)}
 
     for column in GROUPBY_COLUMNS:
         name = _get_sheet_name(column)
diff --git a/download_analytics/pypi.py b/download_analytics/pypi.py
index 4463697..9aec589 100644
--- a/download_analytics/pypi.py
+++ b/download_analytics/pypi.py
@@ -57,8 +57,7 @@ def _get_query(projects, start_date, end_date):
     if isinstance(projects, str):
         projects = f"('{projects}')"
 
-    LOGGER.info('Querying for projects `%s` between `%s` and `%s`',
-                projects, start_date, end_date)
+    LOGGER.info('Querying for projects `%s` between `%s` and `%s`', projects, start_date, end_date)
 
     return QUERY_TEMPLATE.format(
         projects=projects,
@@ -72,11 +71,14 @@ def _get_query_dates(start_date, min_date, max_date, max_days, force=False):
     if start_date is None:
         start_date = end_date - timedelta(days=max_days)
 
-    if pd.notna(min_date) and min_date > start_date:
-        if not force:
-            end_date = min_date
+    if pd.notna(min_date):
+        min_date = pd.Timestamp(min_date).date()
+        if min_date > start_date:
+            if not force:
+                end_date = min_date
 
     elif pd.notna(max_date) and not force:
+        max_date = pd.Timestamp(max_date).date()
         if max_date > start_date:
             start_date = max_date
         else:
@@ -85,8 +87,16 @@ def _get_query_dates(start_date, min_date, max_date, max_days, force=False):
     return start_date, end_date
 
 
-def get_pypi_downloads(projects, start_date=None, end_date=None, previous=None,
-                       max_days=1, credentials_file=None, dry_run=False, force=False):
+def get_pypi_downloads(
+    projects,
+    start_date=None,
+    end_date=None,
+    previous=None,
+    max_days=1,
+    credentials_file=None,
+    dry_run=False,
+    force=False,
+):
     """Get PyPI downloads data from the Big Query dataset.
 
     Args:
@@ -118,7 +128,7 @@ def get_pypi_downloads(projects, start_date=None, end_date=None, previous=None,
     """
     if previous is not None:
         if isinstance(projects, str):
-            projects = (projects, )
+            projects = (projects,)
 
         previous_projects = previous[previous.project.isin(projects)]
         min_date = previous_projects.timestamp.min()
@@ -147,7 +157,7 @@ def get_pypi_downloads(projects, start_date=None, end_date=None, previous=None,
                 before = new_downloads
                 after = previous[previous.timestamp > new_downloads.timestamp.max()]
 
-            all_downloads = before.append(after, ignore_index=True)
+            all_downloads = pd.concat([before, after], ignore_index=True)
 
     LOGGER.info('Obtained %s new downloads', len(all_downloads) - len(previous))
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..1b7d17d
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,85 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "download-analytics"
+version = "0.0.1.dev0"
+description = "Scripts to extract metrics about OSS project downloads."
+readme = "README.md"
+authors = [
+    { name = "DataCebo", email = "info@datacebo.com" }
+]
+requires-python = ">=3.13"
+dependencies = [
+    "pandas>=2.2.3",
+    "tqdm",
+    "openpyxl",
+    "xlsxwriter",
+    "requests",
+    "python-benedict",
+    "PyYAML",
+    "PyDrive",
+    "google-cloud-bigquery",
+    "db-dtypes"
+]
+
+[project.urls]
+Homepage = "https://github.com/DataCebo/download-analytics"
+
+[project.scripts]
+download-analytics = "download_analytics.__main__:main"
+
+[tool.setuptools.packages.find]
+include = ['download_analytics', 'download_analytics.*']
+
+[project.optional-dependencies]
+dev = [
+    "ruff>=0.9.8",
+    "invoke"
+]
+
+[tool.ruff]
+preview = true
+line-length = 100
+indent-width = 4
+src = ["download_analytics"]
+exclude = [
+    "docs",
+    ".tox",
+    ".git",
+    "__pycache__",
+    "*.ipynb",
+    ".ipynb_checkpoints",
+]
+
+[tool.ruff.lint]
+select = [
+    "F", "E", "W", "D", "I001", "T201", "PD", "NPY201"
+]
+ignore = [
+    "D107", "D417", "PD901", "PD101"
+]
+
+[tool.ruff.format]
+quote-style = "single"
+indent-style = "space"
+preview = true
+docstring-code-format = true
+docstring-code-line-length = "dynamic"
+
+[tool.ruff.lint.isort]
+known-first-party = ["download_analytics"]
+lines-between-types = 0
+
+[tool.ruff.lint.per-file-ignores]
+"__init__.py" = ["F401", "E402", "F403", "F405", "E501", "I001"]
+"errors.py" = ["D105"]
+"tests/**.py" = ["D"]
+
+[tool.ruff.lint.pydocstyle]
+convention = "google"
+
+[tool.ruff.lint.pycodestyle]
+max-doc-length = 100
+max-line-length = 100
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index e985831..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,28 +0,0 @@
-[bdist_wheel]
-universal = 1
-
-[flake8]
-max-line-length = 99
-inline-quotes = single
-extend-ignore = D107, SFS3, PD005, D105, PD011, PD010
-exclude = .tox, .git, __pycache__, .ipynb_checkpoints
-
-[isort]
-line_length = 99
-lines_between_types = 0
-multi_line_output = 4
-use_parentheses = True
-
-[pydocstyle]
-convention = google
-add-ignore = D107, D407, D417
-
-[pylint]
-extension-pkg-whitelist = numpy
-min-similarity-lines = 5
-max-args = 8
-max-attributes = 11
-ignore-comments = yes
-ignore-docstrings = yes
-ignore-imports = yes
-disable = R0801, R0903, R0913, R0914, C0209, W0223, W0221, W0237, E1136, E1137, E1101
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 08f3711..0000000
--- a/setup.py
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""The setup script."""
-
-from setuptools import setup, find_packages
-
-with open('README.md', encoding='utf-8') as readme_file:
-    readme = readme_file.read()
-
-install_requires = [
-    'pandas==1.4.2',
-    'google-cloud-bigquery==3.0.1',
-    'db-dtypes==1.0.0',
-    'openpyxl==3.0.9',
-    'xlsxwriter==3.0.3',
-    'PyYAML==6.0',
-    'PyDrive==1.3.1',
-    'httplib2==0.15.0',  # noqa: https://stackoverflow.com/questions/59815620/gcloud-upload-httplib2-redirectmissinglocation-redirected-but-the-response-is-m
-]
-
-
-setup(
-    author='DataCebo',
-    author_email='info@datacebo.com',
-    classifiers=[
-        'Development Status :: 2 - Pre-Alpha',
-        'Intended Audience :: Developers',
-        'Natural Language :: English',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-    ],
-    description='Scripts to extract metrics about OSS project downloads.',
-    entry_points={
-        'console_scripts': [
-            'download-analytics=download_analytics.__main__:main'
-        ]
-    },
-    include_package_data=True,
-    install_requires=install_requires,
-    keywords='download-analytics',
-    long_description=readme,
-    long_description_content_type='text/markdown',
-    name='download-analytics',
-    packages=find_packages(include=['download_analytics', 'download_analytics.*']),
-    python_requires='>=3.7,<3.10',
-    version='0.0.1.dev0',
-    zip_safe=False,
-)
diff --git a/tasks.py b/tasks.py
index 83f6850..cb98d01 100644
--- a/tasks.py
+++ b/tasks.py
@@ -1,9 +1,17 @@
+"""Invoke task definitions."""
+
 from invoke import task
 
 
 @task
 def lint(c):
-    c.run('flake8 download_analytics')
-    c.run('pydocstyle download_analytics')
-    c.run('isort -c download_analytics')
-    c.run('pylint download_analytics --rcfile=setup.cfg')
+    """Run lint checks using ruff."""
+    c.run('ruff check .')
+    c.run('ruff format --check --diff .')
+
+
+@task
+def fix_lint(c):
+    """Automatically fix lint issues using ruff."""
+    c.run('ruff check --fix .')
+    c.run('ruff format .')
diff --git a/tests/test_pypi.py b/tests/test_pypi.py
deleted file mode 100644
index 72fd69c..0000000
--- a/tests/test_pypi.py
+++ /dev/null
@@ -1,256 +0,0 @@
-from datetime import datetime
-from unittest.mock import patch
-
-import pytest
-
-from download_analytics.pypi import _get_query_dates
-
-
-@patch('download_analytics.pypi.datetime')
-def test__get_query_dates_all_dates_none(datetime_mock):
-    """If all dates are none, end is utcnow and start is end - max_days.
-
-    Setup:
-        - mock utcnow to 2021-11-30
-
-    Input:
-        - all Nones, max_days = 3
-
-    Expected Output:
-        - start_date = 2021-11-27
-        - end_date = 2021-11-30
-    """
-    # setup
-    datetime_mock.utcnow.return_value = datetime(2021, 11, 30)
-
-    # run
-    start_date, end_date = _get_query_dates(
-        start_date=None,
-        min_date=None,
-        max_date=None,
-        max_days=3,
-    )
-
-    # assert
-    assert start_date == datetime(2021, 11, 27)
-    assert end_date == datetime(2021, 11, 30)
-
-
-@patch('download_analytics.pypi.datetime')
-def test__get_query_dates_start_date_given_min_max_none(datetime_mock):
-    """If only start_date is given and min/max are None, return start_date and utcnow.
-
-    Setup:
-        - mock utcnow to 2021-11-30
-
-    Input:
-        - start_date given
-        - min and max dates None
-        - max days = 3
-
-    Expected Output:
-        - start_date = given start date
-        - end_date = utcnow
-    """
-    # setup
-    datetime_mock.utcnow.return_value = datetime(2021, 11, 30)
-
-    # run
-    start_date, end_date = _get_query_dates(
-        start_date=datetime(2021, 11, 1),
-        min_date=None,
-        max_date=None,
-        max_days=3,
-    )
-
-    # assert
-    assert start_date == datetime(2021, 11, 1)
-    assert end_date == datetime(2021, 11, 30)
-
-
-def test__get_query_dates_start_date_given_min_after_start():
-    """If start_date is given and min_date is after, return start_date and min_date.
-
-    Input:
-        - start_date given
-        - min_date after start_date
-        - max_date after min_date
-        - max days = 3
-
-    Expected Output:
-        - start_date = given start date
-        - end_date = min_date
-    """
-    # run
-    start_date, end_date = _get_query_dates(
-        start_date=datetime(2021, 11, 1),
-        min_date=datetime(2021, 11, 5),
-        max_date=datetime(2021, 11, 15),
-        max_days=3,
-    )
-
-    # assert
-    assert start_date == datetime(2021, 11, 1)
-    assert end_date == datetime(2021, 11, 5)
-
-
-@patch('download_analytics.pypi.datetime')
-def test__get_query_dates_start_date_given_min_after_start_force_true(datetime_mock):
-    """If start_date is given and force is true, return start_date utcnow always.
-
-    Setup:
-        - mock utcnow to 2021-11-30
-
-    Input:
-        - start_date given
-        - min_date after start_date
-        - max_date after min_date
-        - max days = 3
-        - force = True
-
-    Expected Output:
-        - start_date = given start date
-        - end_date = utcnow
-    """
-    # setup
-    datetime_mock.utcnow.return_value = datetime(2021, 11, 30)
-
-    # run
-    start_date, end_date = _get_query_dates(
-        start_date=datetime(2021, 11, 1),
-        min_date=datetime(2021, 11, 5),
-        max_date=datetime(2021, 11, 15),
-        max_days=3,
-        force=True,
-    )
-
-    # assert
-    assert start_date == datetime(2021, 11, 1)
-    assert end_date == datetime(2021, 11, 30)
-
-
-@patch('download_analytics.pypi.datetime')
-def test__get_query_dates_start_date_given_max_after(datetime_mock):
-    """If start_date is given, min_date before and max_date is after, return max_date and utcnow.
-
-    Setup:
-        - mock utcnow to 2021-11-30
-
-    Input:
-        - start_date given
-        - min_date before start_date
-        - max_date after start_date
-        - max days = 3
-
-    Expected Output:
-        - start_date = max_date
-        - end_date = utcnow
-    """
-    # setup
-    datetime_mock.utcnow.return_value = datetime(2021, 11, 30)
-
-    # run
-    start_date, end_date = _get_query_dates(
-        start_date=datetime(2021, 11, 10),
-        min_date=datetime(2021, 11, 1),
-        max_date=datetime(2021, 11, 15),
-        max_days=3,
-    )
-
-    # assert
-    assert start_date == datetime(2021, 11, 15)
-    assert end_date == datetime(2021, 11, 30)
-
-
-@patch('download_analytics.pypi.datetime')
-def test__get_query_dates_start_date_given_max_after_force_true(datetime_mock):
-    """If start_date is given and force is true, return start_date and utcnow always.
-
-    Setup:
-        - mock utcnow to 2021-11-30
-
-    Input:
-        - start_date given
-        - min_date before start_date
-        - max_date after start_date
-        - max days = 3
-        - force = True
-
-    Expected Output:
-        - start_date = start_date
-        - end_date = utcnow
-    """
-    # setup
-    datetime_mock.utcnow.return_value = datetime(2021, 11, 30)
-
-    # run
-    start_date, end_date = _get_query_dates(
-        start_date=datetime(2021, 11, 10),
-        min_date=datetime(2021, 11, 1),
-        max_date=datetime(2021, 11, 15),
-        max_days=3,
-        force=True,
-    )
-
-    # assert
-    assert start_date == datetime(2021, 11, 10)
-    assert end_date == datetime(2021, 11, 30)
-
-
-def test__get_query_dates_start_date_given_max_before():
-    """If start_date is given, max is before and force is false, raise an error.
-
-    Input:
-        - start_date given
-        - min_date before start_date
-        - max_date before start_date
-        - max days = 3
-
-    Expected Output:
-        - start_date = start_date
-        - end_date = utcnow
-    """
-    # run
-    msg = 'start_date=2021-11-15 00:00:00 and max_date=2021-11-10 00:00:00 are creating a gap'
-    with pytest.raises(ValueError, match=msg):
-        start_date, end_date = _get_query_dates(
-            start_date=datetime(2021, 11, 15),
-            min_date=datetime(2021, 11, 1),
-            max_date=datetime(2021, 11, 10),
-            max_days=3,
-        )
-
-
-@patch('download_analytics.pypi.datetime')
-def test__get_query_dates_start_date_given_max_before_force_true(datetime_mock):
-    """If start_date is given, max is before and force is true, return start_date, utcnow.
-
-    Setup:
-        - mock utcnow to 2021-11-30
-
-    Input:
-        - start_date given
-        - min_date before start_date
-        - max_date before start_date
-        - max days = 3
-        - force = True
-
-    Expected Output:
-        - start_date = start_date
-        - end_date = utcnow
-    """
-    # setup
-    datetime_mock.utcnow.return_value = datetime(2021, 11, 30)
-
-    # run
-    start_date, end_date = _get_query_dates(
-        start_date=datetime(2021, 11, 15),
-        min_date=datetime(2021, 11, 1),
-        max_date=datetime(2021, 11, 10),
-        max_days=3,
-        force=True,
-    )
-
-    # assert
-    assert start_date == datetime(2021, 11, 15)
-    assert end_date == datetime(2021, 11, 30)