refactor(cli): drop Python 3.9 (#32964)

libs/cli/tests/unit_tests/migrate/cli_runner/folder.py

@@ -52,7 +52,7 @@ class Folder:
         if len(self.files) != len(__value.files):
             return False
 
-        for self_file, other_file in zip(self.files, __value.files):
+        for self_file, other_file in zip(self.files, __value.files, strict=False):
             if self_file != other_file:
                 return False
 

libs/cli/tests/unit_tests/migrate/cli_runner/test_cli.py

@@ -14,7 +14,7 @@ pytest.importorskip("gritql")
 
 
 def find_issue(current: Folder, expected: Folder) -> str:
-    for current_file, expected_file in zip(current.files, expected.files):
+    for current_file, expected_file in zip(current.files, expected.files, strict=False):
         if current_file != expected_file:
             if current_file.name != expected_file.name:
                 return (

libs/cli/tests/unit_tests/test_utils.py

@@ -1,4 +1,6 @@
-from typing import Any, Optional
+from __future__ import annotations
+
+from typing import Any
 
 import pytest
 
@@ -13,10 +15,10 @@ from langchain_cli.utils.git import DependencySource, parse_dependency_string
 def _assert_dependency_equals(
     dep: DependencySource,
     *,
-    git: Optional[str] = None,
-    ref: Optional[str] = None,
-    subdirectory: Optional[str] = None,
-    event_metadata: Optional[dict[str, Any]] = None,
+    git: str | None = None,
+    ref: str | None = None,
+    subdirectory: str | None = None,
+    event_metadata: dict[str, Any] | None = None,
 ) -> None:
     if dep["git"] != git:
         msg = f"Expected git to be {git} but got {dep['git']}"