build(test_python_38.py): add testing for litellm cli import

litellm/tests/test_python_38.py

@@ -1,6 +1,7 @@
 import sys, os, time
 import traceback, asyncio
 import pytest
+import subprocess
 
 sys.path.insert(
     0, os.path.abspath("../..")
@@ -16,3 +17,17 @@ def test_using_litellm():
         pytest.fail(
             f"Error occurred: {e}. Installing litellm on python3.8 failed please retry"
         )
+
+
+def test_litellm_proxy_server():
+    # Install the litellm[proxy] package
+    subprocess.run(["pip", "install", "litellm[proxy]"])
+
+    # Import the proxy_server module
+    try:
+        import litellm.proxy.proxy_server
+    except ImportError:
+        pytest.fail("Failed to import litellm.proxy_server")
+
+    # Assertion to satisfy the test, you can add other checks as needed
+    assert True