community, langchain, infra: store extended test deps outside of poetry (#18995)

poetry can't reliably handle resolving the number of optional "extended
test" dependencies we have. If we instead just rely on pip to install
extended test deps in CI, this isn't an issue.

libs/community/langchain_community/vectorstores/docarray/base.py

@@ -28,7 +28,7 @@ def _check_docarray_import() -> None:
     except ImportError:
         raise ImportError(
             "Could not import docarray python package. "
-            'Please install it with `pip install "langchain[docarray]"`.'
+            "Please install it with `pip install docarray`."
         )
 
 

libs/community/langchain_community/vectorstores/docarray/hnsw.py

@@ -14,7 +14,7 @@ class DocArrayHnswSearch(DocArrayIndex):
     """`HnswLib` storage using `DocArray` package.
 
     To use it, you should have the ``docarray`` package with version >=0.32.0 installed.
-    You can install it with `pip install "langchain[docarray]"`.
+    You can install it with `pip install docarray`.
     """
 
     @classmethod

libs/community/langchain_community/vectorstores/docarray/in_memory.py

@@ -15,7 +15,7 @@ class DocArrayInMemorySearch(DocArrayIndex):
     """In-memory `DocArray` storage for exact search.
 
     To use it, you should have the ``docarray`` package with version >=0.32.0 installed.
-    You can install it with `pip install "langchain[docarray]"`.
+    You can install it with `pip install docarray`.
     """
 
     @classmethod