Refactor to PEP8 standard

PDMameUpdate.py

@@ -140,8 +140,8 @@ def check_and_rewrite_download_url(torrent_data):
 def prompt_for_update():
     """Ask for user confirmation before updating"""
 
-    outputHeader=["Torrent","from","to"]
-    output=[]
+    output_header = ["Torrent", "from", "to"]
+    output = []
     if len(torrents) > 0:
         for torrent, data in torrents.items():
             output.append([
@@ -149,7 +149,7 @@ def prompt_for_update():
                 data['local-version'],
                 data['remote-version']
                 ])
-        print(tabulate(output,headers=outputHeader,tablefmt="simple"))
+        print(tabulate(output, headers=output_header, tablefmt="simple"))
         print('Should I update the torrents listed above? (y/N)')
         answer = input()
         if answer.lower() != 'y':