fix <3.9 features

Author: fourjr

bot.py

@@ -1,4 +1,4 @@
-__version__ = "4.0.0-dev12"
+__version__ = "4.0.0-dev13"
 
 
 import asyncio
@@ -995,7 +995,7 @@ async def get_contexts(self, message, *, cls=commands.Context):
         # This needs to be done before checking for aliases since
         # snippets can have multiple words.
         try:
-            snippet_text = self.snippets[message.content.removeprefix(invoked_prefix)]
+            snippet_text = self.snippets[message.content.strip(invoked_prefix)]
         except KeyError:
             snippet_text = None
 

pyproject.toml

@@ -21,7 +21,7 @@ extend-exclude = '''
 
 [tool.poetry]
 name = 'Modmail'
-version = '4.0.0-dev12'
+version = '4.0.0-dev13'
 description = "Modmail is similar to Reddit's Modmail, both in functionality and purpose. It serves as a shared inbox for server staff to communicate with their users in a seamless way."
 license = 'AGPL-3.0-only'
 authors = [