Apply black formatting.

Apply isort.

scripts/check_python.py

@@ -11,19 +11,22 @@ def check_python():
         # supported
         return
     else:
-        version_string = '.'.join(str(_) for _ in sys.version_info[:3])
-        msg = """\
+        version_string = ".".join(str(_) for _ in sys.version_info[:3])
+        msg = (
+            """\
 ERROR: Your Python version is: %s
 Galaxy is currently supported on Python >=3.7 .
 To run Galaxy, please install a supported Python version.
 If a supported version is already installed but is not your default,
 https://docs.galaxyproject.org/en/latest/admin/python.html contains instructions
-on how to force Galaxy to use a different version.""" % version_string
+on how to force Galaxy to use a different version."""
+            % version_string
+        )
         print(msg, file=sys.stderr)
         raise Exception(msg)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     try:
         check_python()
     except Exception: