prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  add test for email sending after moderator was added to project
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `euth/projects/emails.py`
  Content:
  ```
  1 from euth.contrib.emails import OpinEmail
  2 
  3 
  4 class ModeratorAddedEmail(OpinEmail):
  5     template_name = 'notify_new_moderator'
  6 
  7     def get_recipients(self):
  8         self.kwargs['user']
  9
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/euth/projects/emails.py b/euth/projects/emails.py
  --- a/euth/projects/emails.py
  +++ b/euth/projects/emails.py
  @@ -4,5 +4,5 @@
   class ModeratorAddedEmail(OpinEmail):
       template_name = 'notify_new_moderator'
   
  -    def get_recipients(self):
  -        self.kwargs['user']
  +    def get_receivers(self):
  +        return [self.kwargs['user']]
  
verification_info: {"golden_diff": "diff --git a/euth/projects/emails.py b/euth/projects/emails.py\n--- a/euth/projects/emails.py\n+++ b/euth/projects/emails.py\n@@ -4,5 +4,5 @@\n class ModeratorAddedEmail(OpinEmail):\n     template_name = 'notify_new_moderator'\n \n-    def get_recipients(self):\n-        self.kwargs['user']\n+    def get_receivers(self):\n+        return [self.kwargs['user']]\n", "issue": "add test for email sending after moderator was added to project\n\n", "before_files": [{"content": "from euth.contrib.emails import OpinEmail\n\n\nclass ModeratorAddedEmail(OpinEmail):\n    template_name = 'notify_new_moderator'\n\n    def get_recipients(self):\n        self.kwargs['user']\n", "path": "euth/projects/emails.py"}], "after_files": [{"content": "from euth.contrib.emails import OpinEmail\n\n\nclass ModeratorAddedEmail(OpinEmail):\n    template_name = 'notify_new_moderator'\n\n    def get_receivers(self):\n        return [self.kwargs['user']]\n", "path": "euth/projects/emails.py"}]}