fix(checkpoint-postgres): Remove python invalid escape warning (#5441)

libs/checkpoint-postgres/langgraph/store/postgres/base.py

@@ -557,7 +557,7 @@ class BasePostgresStore(Generic[C]):
     ) -> list[tuple[str, Sequence]]:
         queries: list[tuple[str, Sequence]] = []
         for _, op in list_ops:
-            query = """
+            query = r"""
                 SELECT DISTINCT ON (truncated_prefix) truncated_prefix, prefix
                 FROM (
                     SELECT

libs/checkpoint-postgres/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph-checkpoint-postgres"
-version = "2.0.21"
+version = "2.0.22"
 description = "Library with a Postgres implementation of LangGraph checkpoint saver."
 authors = []
 requires-python = ">=3.9"

libs/checkpoint-postgres/uv.lock

@@ -334,7 +334,7 @@ dev = [
 
 [[package]]
 name = "langgraph-checkpoint-postgres"
-version = "2.0.21"
+version = "2.0.22"
 source = { editable = "." }
 dependencies = [
     { name = "langgraph-checkpoint" },

libs/langgraph/uv.lock

@@ -1331,7 +1331,7 @@ dev = [
 
 [[package]]
 name = "langgraph-checkpoint-postgres"
-version = "2.0.21"
+version = "2.0.22"
 source = { editable = "../checkpoint-postgres" }
 dependencies = [
     { name = "langgraph-checkpoint" },

libs/prebuilt/uv.lock

@@ -397,7 +397,7 @@ dev = [
 
 [[package]]
 name = "langgraph-checkpoint-postgres"
-version = "2.0.21"
+version = "2.0.22"
 source = { editable = "../checkpoint-postgres" }
 dependencies = [
     { name = "langgraph-checkpoint" },