Fix type issues in exception_utils.py (#1972)

* Fix type issues in exception_utils.py

* fix yaml

.github/workflows/type-check.yml

@@ -19,4 +19,7 @@ jobs:
       - uses: actions/setup-python@v4
       - run: pip install ".[jupyter-executor]" mypy
       # As more modules are type check clean, add them here
-      - run: mypy --install-types --non-interactive autogen/logger
+      - run: |
+          mypy --install-types --non-interactive \
+            autogen/logger \
+            autogen/exception_utils.py

autogen/exception_utils.py

@@ -1,20 +1,23 @@
+from typing import Any
+
+
 class AgentNameConflict(Exception):
-    def __init__(self, msg="Found multiple agents with the same name.", *args, **kwargs):
+    def __init__(self, msg: str = "Found multiple agents with the same name.", *args: Any, **kwargs: Any):
         super().__init__(msg, *args, **kwargs)
 
 
 class NoEligibleSpeaker(Exception):
     """Exception raised for early termination of a GroupChat."""
 
-    def __init__(self, message="No eligible speakers."):
+    def __init__(self, message: str = "No eligible speakers."):
         self.message = message
         super().__init__(self.message)
 
 
 class SenderRequired(Exception):
     """Exception raised when the sender is required but not provided."""
 
-    def __init__(self, message="Sender is required but not provided."):
+    def __init__(self, message: str = "Sender is required but not provided."):
         self.message = message
         super().__init__(self.message)
 
@@ -23,7 +26,7 @@ class InvalidCarryOverType(Exception):
     """Exception raised when the carryover type is invalid."""
 
     def __init__(
-        self, message="Carryover should be a string or a list of strings. Not adding carryover to the message."
+        self, message: str = "Carryover should be a string or a list of strings. Not adding carryover to the message."
     ):
         self.message = message
         super().__init__(self.message)
@@ -32,6 +35,6 @@ def __init__(
 class UndefinedNextAgent(Exception):
     """Exception raised when the provided next agents list does not overlap with agents in the group."""
 
-    def __init__(self, message="The provided agents list does not overlap with agents in the group."):
+    def __init__(self, message: str = "The provided agents list does not overlap with agents in the group."):
         self.message = message
         super().__init__(self.message)