Fix errors when imgur api details aren't specified

Author: linuxdaemon

plugins/imgur.py

@@ -49,10 +49,12 @@ def get_items(text):
 def load_api(bot):
     global imgur_api
 
-    client_id = bot.config.get("api_keys", {}).get("imgur_client_id")
-    client_secret = bot.config.get("api_keys", {}).get("imgur_client_secret")
+    api_keys = bot.config.get("api_keys", {})
+    client_id = api_keys.get("imgur_client_id")
+    client_secret = api_keys.get("imgur_client_secret")
 
-    if None in (client_id, client_secret):
+    if not (client_id and client_secret):
+        # Either the client id or secret aren't specified
         imgur_api = None
         return
     else: