Appease pylint, cleanup (#1109)

* Appease pylint, cleanup

* Fix typo

src/display.py

@@ -22,14 +22,15 @@ def print_json(object_value, spacing=''):
       return
     if spacing:
       sys.stdout.write('\n')
-    for i in range(0, len(object_value)):
-      if isinstance(object_value[i], (str, int, bool)):
+    for i, a_value in enumerate(object_value):
+      if isinstance(a_value, (str, int, bool)):
         sys.stdout.write(f' {spacing}{i+1}) {a_value}\n')
       else:
         sys.stdout.write(f' {spacing}{i+1}) ')
-        print_json(object_value[i], f' {spacing}')
+        print_json(a_value, f' {spacing}')
   elif isinstance(object_value, dict):
-    [object_value.pop(key, None) for key in ['kind', 'etag', 'etags']]
+    for key in ['kind', 'etag', 'etags']:
+      object_value.pop(key, None)
     for another_object, another_value in object_value.items():
       sys.stdout.write(f' {spacing}{another_object}: ')
       print_json(another_value, f' {spacing}')

src/gam.py

@@ -7367,13 +7367,13 @@ def shorten_url(long_url):
   try:
     resp, content = simplehttp.request(url_shortnr, 'POST',
                                        f'{{"long_url": "{long_url}"}}', headers=headers)
-  except Exception as e:
+  except Exception:
     return long_url
   if resp.status != 200:
     return long_url
   try:
     return json.loads(content).get('short_url', long_url)
-  except Exception as e:
+  except Exception:
     print(content)
     return long_url