Skip langchain test for less than 3.7

Author: aravind-segu

databricks/sdk/mixins/open_ai_client.py

@@ -11,18 +11,30 @@ def get_open_ai_client(self):
         except Exception:
             raise ValueError("Unable to extract authorization token for OpenAI Client")
 
-        from openai import OpenAI
+        try:
+            from openai import OpenAI
+        except Exception:
+            raise ImportError(
+                "Open AI is not installed. Please install the Databricks SDK with the following command `pip isntall databricks-sdk[openai]`"
+            )
+
         return OpenAI(base_url=self._api._cfg.host + "/serving-endpoints", api_key=token)
 
     def get_langchain_chat_open_ai_client(self, model):
         auth_headers = self._api._cfg.authenticate()
 
+        try:
+            from langchain_openai import ChatOpenAI
+        except Exception:
+            raise ImportError(
+                "Langchain Open AI is not installed. Please install the Databricks SDK with the following command `pip isntall databricks-sdk[openai]` and ensure you are using python>3.7"
+            )
+
         try:
             token = auth_headers["Authorization"][len("Bearer "):]
         except Exception:
             raise ValueError("Unable to extract authorization token for Langchain OpenAI Client")
 
-        from langchain_openai import ChatOpenAI
         return ChatOpenAI(model=model,
                           openai_api_base=self._api._cfg.host + "/serving-endpoints",
                           openai_api_key=token)

setup.py

@@ -20,7 +20,7 @@
                               "databricks-connect", "pytest-rerunfailures", "openai", 
                               "langchain-openai"],
                       "notebook": ["ipython>=8,<9", "ipywidgets>=8,<9"],
-                      "openai": ["openai", "langchain-openai"]},
+                      "openai": ["openai", 'langchain-openai; python_version > "3.7"']},
       author="Serge Smertin",
       author_email="[email protected]",
       description="Databricks SDK for Python (Beta)",

tests/test_open_ai_mixin.py

@@ -1,3 +1,7 @@
+import sys
+
+import pytest
+
 from databricks.sdk.core import Config
 
 
@@ -13,6 +17,7 @@ def test_open_ai_client(monkeypatch):
     assert client.api_key == "test_token"
 
 
+@pytest.mark.skipif(sys.version_info <= (3, 7), reason="Requires Python > 3.7")
 def test_langchain_open_ai_client(monkeypatch):
     from databricks.sdk import WorkspaceClient
 
@@ -22,4 +27,4 @@ def test_langchain_open_ai_client(monkeypatch):
     client = w.serving_endpoints.get_langchain_chat_open_ai_client("databricks-meta-llama-3-1-70b-instruct")
 
     assert client.openai_api_base == "https://test_host/serving-endpoints"
-    assert client.model_name == "databricks-meta-llama-3-1-70b-instruct"
+    assert client.model_name == "databricks-meta-llama-3-1-70b-instruct"