ibm: Fix llm and embeddings "verify" attribute default value (#21429)

Thank you for contributing to LangChain!

- [x] **PR title**: "langchain-ibm: Fix llm and embeddings 'verify'
attribute default value"


- [x] **PR message**: 
    - **Description:** fix default value of "verify" attribute
    - **Dependencies:** `ibm_watsonx_ai`


- [x] **Add tests and docs**: If you're adding a new integration, please
include
1. a test for the integration, preferably unit tests that do not rely on
network access,
2. an example notebook showing its use. It lives in
`docs/docs/integrations` directory.


- [x] **Lint and test**: Run `make format`, `make lint` and `make test`
from the root of the package(s) you've modified. See contribution
guidelines for more: https://python.langchain.com/docs/contributing/

Co-authored-by: Erick Friis <erick@langchain.dev>

libs/partners/ibm/langchain_ibm/embeddings.py

@@ -48,7 +48,7 @@ class WatsonxEmbeddings(BaseModel, LangChainEmbeddings):
     params: Optional[dict] = None
     """Model parameters to use during generate requests."""
 
-    verify: Union[str, bool] = ""
+    verify: Union[str, bool, None] = None
     """User can pass as verify one of following:
         the path to a CA_BUNDLE file
         the path of directory with certificates of trusted CAs

libs/partners/ibm/langchain_ibm/llms.py

@@ -81,7 +81,7 @@ class WatsonxLLM(BaseLLM):
     params: Optional[dict] = None
     """Model parameters to use during generate requests."""
 
-    verify: Union[str, bool] = ""
+    verify: Union[str, bool, None] = None
     """User can pass as verify one of following:
         the path to a CA_BUNDLE file
         the path of directory with certificates of trusted CAs

libs/partners/ibm/poetry.lock

@@ -327,7 +327,7 @@ files = [
 
 [[package]]
 name = "langchain-core"
-version = "0.1.50"
+version = "0.1.52"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = ">=3.8.1,<4.0"
@@ -351,13 +351,13 @@ url = "../../core"
 
 [[package]]
 name = "langsmith"
-version = "0.1.54"
+version = "0.1.55"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langsmith-0.1.54-py3-none-any.whl", hash = "sha256:e8ba2758dbdff0fccb35337c28a5ab641dd980b22e178d390b72a15c9ae9caff"},
-    {file = "langsmith-0.1.54.tar.gz", hash = "sha256:86f5a90e48303de897f37a893f8bb635eabdaf23e674099e8bc0f2e9ca2f8faf"},
+    {file = "langsmith-0.1.55-py3-none-any.whl", hash = "sha256:c198b4019d0e0948fa2c94efcafa0312bd5e7ce36aae8d62a38af2d6b16584fc"},
+    {file = "langsmith-0.1.55.tar.gz", hash = "sha256:08b75046471e3c32cb6b526e48ca4570bfe3911d6b0a3f8575ee062da940324c"},
 ]
 
 [package.dependencies]
@@ -988,17 +988,18 @@ widechars = ["wcwidth"]
 
 [[package]]
 name = "tenacity"
-version = "8.2.3"
+version = "8.3.0"
 description = "Retry code until it succeeds"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "tenacity-8.2.3-py3-none-any.whl", hash = "sha256:ce510e327a630c9e1beaf17d42e6ffacc88185044ad85cf74c0a8887c6a0f88c"},
-    {file = "tenacity-8.2.3.tar.gz", hash = "sha256:5398ef0d78e63f40007c1fb4c0bff96e1911394d2fa8d194f77619c05ff6cc8a"},
+    {file = "tenacity-8.3.0-py3-none-any.whl", hash = "sha256:3649f6443dbc0d9b01b9d8020a9c4ec7a1ff5f6f3c6c8a036ef371f573fe9185"},
+    {file = "tenacity-8.3.0.tar.gz", hash = "sha256:953d4e6ad24357bceffbc9707bc74349aca9d245f68eb65419cf0c249a1949a2"},
 ]
 
 [package.extras]
-doc = ["reno", "sphinx", "tornado (>=4.5)"]
+doc = ["reno", "sphinx"]
+test = ["pytest", "tornado (>=4.5)", "typeguard"]
 
 [[package]]
 name = "tomli"

libs/partners/ibm/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langchain-ibm"
-version = "0.1.5"
+version = "0.1.6"
 description = "An integration package connecting IBM watsonx.ai and LangChain"
 authors = ["IBM"]
 readme = "README.md"