Fix: Add conditional import for Self type to support Python 3.10

Co-Authored-By: Joe Moura <joao@crewai.com>

pyproject.toml

@@ -30,6 +30,7 @@ dependencies = [
     "pdfplumber>=0.11.4",
     "openpyxl>=3.1.5",
     "blinker>=1.9.0",
+    "typing-extensions>=4.5.0",
 ]
 
 [project.urls]

src/crewai/memory/memory.py

@@ -1,5 +1,10 @@
 from typing import Any, Dict, List, Optional
 
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
+
 from crewai.memory.storage.rag_storage import RAGStorage
 
 

tests/compatibility/test_python310_compatibility.py

@@ -0,0 +1,14 @@
+def test_self_import_compatibility():
+    """
+    Test that the Self type is properly imported and used
+    in a way that supports Python 3.10+.
+    
+    This test will pass as long as the module imports successfully.
+    The actual failure would happen during import if the compatibility
+    fix is not working.
+    """
+    try:
+        from crewai.memory.memory import Self
+        assert True, "Self type imported successfully"
+    except ImportError:
+        assert False, "Failed to import Self type from crewai.memory.memory"