better error handling

discord_bot.py

@@ -19,6 +19,10 @@ async def on_message(message):
     if message.author == discord_client.user:
         return
 
+    if message.content.isspace():
+        await message.channel.send('### Empty message')
+        return
+
     response = chat_client.input(message.content)
     await message.channel.send(response)
 

server.py

@@ -35,7 +35,8 @@ class Handler(http.server.BaseHTTPRequestHandler):
             self.send_response(200)
             self.end_headers()
             self.wfile.write(json.dumps(response).encode("utf-8"))
-        except:
+        except Exception as e:
+            print(e)
             self.send_response(400)
             self.end_headers()