config: use a generic error message for issues

config.json.example

@@ -6,6 +6,7 @@
   "channels": ["#idi0crates"],
   "speak_delay": 0.5,
   "resources_dir": "resources",
+  "error_message": "An error occured, sorry!",
   "plugins": {
     "beers": {
       "commands": ["beer"],
@@ -41,7 +42,6 @@
       "lang": "en",
       "ambiguous_response": "It is ambiguous.",
       "empty_response": "I can't find it.",
-      "error_response": "An error occured ;("
     }
   }
 }

edmond/plugins/wikipedia.py

@@ -12,8 +12,7 @@ from edmond.plugin import Plugin
 class WikipediaPlugin(Plugin):
 
     REQUIRED_CONFIGS = [
-        "commands", "ambiguous_response", "empty_response", "error_response",
+        "commands", "ambiguous_response", "empty_response", "lang",
-        "lang",
     ]
     NUM_RETRIES = 3
 
@@ -59,7 +58,7 @@ class WikipediaPlugin(Plugin):
                 summary = self.config["empty_response"]
                 break
             except wikipedia.exceptions.WikipediaException:
-                summary = self.config["error_response"]
+                summary = self.bot.config["error_message"]
                 # Keep trying after a slight delay.
                 time.sleep(1)
             retries -= 1