ccurme 1b0802babe core: fix .bind when used with RunnableLambda async methods (#17739) ...

**Description:** Here is a minimal example to illustrate behavior:
```python
from langchain_core.runnables import RunnableLambda

def my_function(*args, **kwargs):
    return 3 + kwargs.get("n", 0)

runnable = RunnableLambda(my_function).bind(n=1)


assert 4 == runnable.invoke({})
assert [4] == list(runnable.stream({}))

assert 4 == await runnable.ainvoke({})
assert [4] == [item async for item in runnable.astream({})]
```
Here, `runnable.invoke({})` and `runnable.stream({})` work fine, but
`runnable.ainvoke({})` raises
```
TypeError: RunnableLambda._ainvoke.<locals>.func() got an unexpected keyword argument 'n'
```
and similarly for `runnable.astream({})`:
```
TypeError: RunnableLambda._atransform.<locals>.func() got an unexpected keyword argument 'n'
```
Here we assume that this behavior is undesired and attempt to fix it.

**Issue:** https://github.com/langchain-ai/langchain/issues/17241,
https://github.com/langchain-ai/langchain/discussions/16446

2024-02-21 15:31:52 -08:00

..

integration_tests

core[patch], langchain[patch]: fix required deps (#14373)

2023-12-07 14:24:58 -08:00

unit_tests

core: fix .bind when used with RunnableLambda async methods (#17739)

2024-02-21 15:31:52 -08:00

__init__.py

Separate out langchain_core package (#13577)

2023-11-20 13:09:30 -08:00