From 62034b83c66b9ff6f847213fe6fc6be15169d479 Mon Sep 17 00:00:00 2001
From: Allen Downey <downey@allendowney.com>
Date: Tue, 15 Aug 2023 09:16:14 -0400
Subject: [PATCH] Move to Python 3.10

---
 Makefile             |  2 +-
 code/thinkstats2.py  | 15 +++++----------
 requirements-dev.txt |  4 +---
 requirements.txt     |  7 +++----
 4 files changed, 10 insertions(+), 18 deletions(-)

diff --git a/Makefile b/Makefile
index 6a51d612f..b35416975 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 
 PROJECT_DIR := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
 PROJECT_NAME = ThinkStats2
-PYTHON_VERSION = 3.8
+PYTHON_VERSION = 3.10
 PYTHON_INTERPRETER = python
 
 
diff --git a/code/thinkstats2.py b/code/thinkstats2.py
index cb017872e..372282c91 100644
--- a/code/thinkstats2.py
+++ b/code/thinkstats2.py
@@ -3,10 +3,9 @@
 
 Copyright 2014 Allen B. Downey
 License: GNU GPLv3 http://www.gnu.org/licenses/gpl.html
-"""
 
 
-"""This file contains class definitions for:
+This file contains class definitions for:
 
 Hist: represents a histogram (map from values to integer frequencies).
 
@@ -2402,10 +2401,10 @@ def NormalProbability(ys, jitter=0):
 
 
 def Jitter(values, jitter=0.5):
-    """Jitters the values by adding a uniform variate in (-jitter, jitter).
+    """Jitters the values by adding a random Gaussian values.
 
     values: sequence
-    jitter: scalar magnitude of jitter
+    jitter: standard deviation of the added noise
 
     returns: new numpy array
     """
@@ -2936,9 +2935,7 @@ def PercentileRow(array, p):
     """
     rows, cols = array.shape
     index = int(rows * p / 100)
-    return array[
-        index,
-    ]
+    return array[index,]
 
 
 def PercentileRows(ys_seq, percents):
@@ -2958,9 +2955,7 @@ def PercentileRows(ys_seq, percents):
     array = np.zeros((nrows, ncols))
 
     for i, ys in enumerate(ys_seq):
-        array[
-            i,
-        ] = ys
+        array[i,] = ys
 
     array = np.sort(array, axis=0)
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9d425d179..b3248a9da 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,5 @@
 -r requirements.txt
 black
 flake8
-jupyter
 nbformat
-nbmake
-pytest
+
diff --git a/requirements.txt b/requirements.txt
index b124380ad..dd9e780af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,9 @@
-# these versions match Colab as of 2023-04-08
 jupyter
-numpy==1.22.4
+numpy
 matplotlib
 plotly
 seaborn
-scipy==1.10.1
-statsmodels==0.13.5
+scipy
+statsmodels
 tables