Add todo

Makefile

@@ -27,7 +27,7 @@ test_watch:
 # Define a variable for Python and notebook files.
 PYTHON_FILES=.
 lint format: PYTHON_FILES=.
-lint_diff format_diff: PYTHON_FILES=$(shell git diff --relative=libs/langchain --name-only --diff-filter=d master | grep -E '\.py$$|\.ipynb$$')
+lint_diff format_diff: PYTHON_FILES=$(shell git diff --name-only --diff-filter=d master | grep -E '\.py$$|\.ipynb$$')
 
 lint lint_diff:
 	poetry run ruff .

README.md

@@ -52,3 +52,7 @@ Check `examples` for more examples.
 - [ ] Fault tolerance
   - [ ] Retry individual processes in a step
   - [ ] Retry entire step?
+- [ ] Pregel.stream_log to contain additional keys specific to Pregel
+  - [ ] tasks: inputs of each chain in each step, keyed by {name}:{step}
+  - [ ] task_results: same as above but outputs
+  - [ ] channels: channel values at end of each step, keyed by {name}:{step}

examples/draft-revise-loop.py

@@ -4,7 +4,6 @@ from langchain.chat_models.openai import ChatOpenAI
 from langchain.output_parsers.openai_functions import JsonOutputFunctionsParser
 from langchain.prompts import SystemMessagePromptTemplate
 from langchain.schema.output_parser import StrOutputParser
-from langchain.schema.runnable import RunnablePassthrough
 
 from permchain import Pregel, channels