tools: correct the coding style of check_python_dependencies.py

tools/check_python_dependencies.py

@@ -19,12 +19,13 @@ import sys
 import argparse
 try:
     import pkg_resources
-except:
+except Exception:
     print('pkg_resources cannot be imported probably because the pip package is not installed and/or using a '
           'legacy Python interpreter. Please refer to the Get Started section of the ESP-IDF Programming Guide for '
           'setting up the required packages.')
     sys.exit(1)
 
+
 def escape_backslash(path):
     if sys.platform == "win32":
         # escaped backslashes are necessary in order to be able to copy-paste the printed path
@@ -32,6 +33,7 @@ def escape_backslash(path):
     else:
         return path
 
+
 if __name__ == "__main__":
     idf_path = os.getenv("IDF_PATH")
 
@@ -48,13 +50,13 @@ if __name__ == "__main__":
        "/mingw32/bin/python" in sys.executable:
         failed = False
         try:
-            import cryptography
+            import cryptography # noqa: intentionally not used - imported for testing its availability
         except ImportError:
             print("Please run the following command to install MSYS2's MINGW Python cryptography package:")
             print("pacman -S mingw-w64-i686-python%d-cryptography" % (sys.version_info[0],))
             failed = True
         try:
-            import setuptools
+            import setuptools # noqa: intentionally not used - imported for testing its availability
         except ImportError:
             print("Please run the following command to install MSYS2's MINGW Python setuptools package:")
             print("pacman -S mingw-w64-i686-python%d-setuptools" % (sys.version_info[0],))
@@ -68,7 +70,7 @@ if __name__ == "__main__":
             line = line.strip()
             try:
                 pkg_resources.require(line)
-            except:
+            except Exception:
                 not_satisfied.append(line)
 
     if len(not_satisfied) > 0: