diff --git a/examples/example_django/example_django/asgi.py b/examples/example_django/example_django/asgi.py
index 1a2020727..feac32c9f 100644
--- a/examples/example_django/example_django/asgi.py
+++ b/examples/example_django/example_django/asgi.py
@@ -17,4 +17,4 @@
 
 os.system("/usr/bin/python3 /opt/code/manage.py migrate")
 
-os.system("/usr/bin/python3 /opt/code/manage.py " "loaddata /opt/code/blog/fixtures/default_articles.json")
+os.system("/usr/bin/python3 /opt/code/manage.py loaddata /opt/code/blog/fixtures/default_articles.json")
diff --git a/packaging/version_from_git.py b/packaging/version_from_git.py
index 327b2e2f4..10252dc2a 100755
--- a/packaging/version_from_git.py
+++ b/packaging/version_from_git.py
@@ -30,7 +30,7 @@
         sys.exit(1)
 
 if not os.path.isfile(target_file_path):
-    print("No such file: '{}'".format(target_file_path))
+    print(f"No such file: '{target_file_path}'")
     sys.exit(2)
 
 
@@ -41,17 +41,17 @@ def get_git_version():
 
 version = get_git_version()
 
-with open(target_file_path, "r") as target_file:
+with open(target_file_path) as target_file:
     target_content = target_file.read()
 
 if format_ == "deb":
-    updated_content = re.sub(r"(Version:)\w*(.*)", "\\1 {}".format(version), target_content)
+    updated_content = re.sub(r"(Version:)\w*(.*)", f"\\1 {version}", target_content)
 elif format_ == "setup.py":
-    updated_content = re.sub(r"(version)\w*=(.*)'", "\\1='{}'".format(version), target_content)
+    updated_content = re.sub(r"(version)\w*=(.*)'", f"\\1='{version}'", target_content)
 elif format_ == "__version__":
-    updated_content = re.sub(r"(__version__)\w*(.*)", "\\1 = '{}'".format(version), target_content)
+    updated_content = re.sub(r"(__version__)\w*(.*)", f"\\1 = '{version}'", target_content)
 else:
-    print("Format must be 'deb', 'setup.py' or '__version__', not '{}'".format(format_))
+    print(f"Format must be 'deb', 'setup.py' or '__version__', not '{format_}'")
 
 if "--inplace" in args:
     with open(target_file_path, "w") as target_file:
diff --git a/vm_connector/main.py b/vm_connector/main.py
index 22a566f6b..86494dd53 100644
--- a/vm_connector/main.py
+++ b/vm_connector/main.py
@@ -26,9 +26,7 @@ def read_root():
 
 async def get_latest_message_amend(ref: str, sender: str) -> Optional[dict]:
     async with aiohttp.ClientSession() as session:
-        url = (
-            f"{settings.API_SERVER}/api/v0/messages.json?msgType=STORE&sort_order=-1" f"&refs={ref}&addresses={sender}"
-        )
+        url = f"{settings.API_SERVER}/api/v0/messages.json?msgType=STORE&sort_order=-1&refs={ref}&addresses={sender}"
         resp = await session.get(url)
         resp.raise_for_status()
         resp_data = await resp.json()