chore: Add sdk to mypy checking and fix the resulting errors (#13637)

Co-authored-by: Rohit Malhotra <rohitvinodmalhotra@gmail.com>

dev_config/python/.pre-commit-config.yaml

@@ -58,6 +58,8 @@ repos:
             types-Markdown,
             pydantic,
             lxml,
+            "openhands-sdk==1.14",
+            "openhands-tools==1.14",
           ]
         # To see gaps add `--html-report mypy-report/`
         entry: mypy --config-file dev_config/python/mypy.ini openhands/

dev_config/python/mypy.ini

@@ -14,3 +14,11 @@ exclude = (third_party/|enterprise/)
 
 [mypy-openhands.memory.condenser.impl.*]
 disable_error_code = override
+
+[mypy-openai.*]
+follow_imports = skip
+ignore_missing_imports = True
+
+[mypy-litellm.*]
+follow_imports = skip
+ignore_missing_imports = True