Base bot.

aiogram/exceptions.py

@@ -0,0 +1,11 @@
+class ValidationError(Exception):
+    pass
+
+
+class TelegramAPIError(Exception):
+    def __init__(self, message, method, status, body):
+        super(TelegramAPIError, self).__init__(
+            f"A request to the Telegram API was unsuccessful (Status code: {status}). {message}")
+        self.method = method
+        self.status = status
+        self.body = body