multiple: fix uv path deps (#29790)

file:// format wasn't working with updates - it doesn't install as an
editable dep

move to tool.uv.sources with path= instead

libs/partners/deepseek/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "pdm.backend"
 
 [project]
 authors = []
-license = {text = "MIT"}
+license = { text = "MIT" }
 requires-python = "<4.0,>=3.9"
 dependencies = [
     "langchain-core<1.0.0,>=0.3.34",
@@ -27,22 +27,20 @@ test = [
     "pytest-socket<1.0.0,>=0.7.0",
     "pytest-watcher<1.0.0,>=0.3.4",
     "langchain-tests<1.0.0,>=0.3.5",
-    "langchain-openai @ file:///${PROJECT_ROOT}/../openai",
+    "langchain-openai",
     "pytest-timeout<3.0.0,>=2.3.1",
 ]
-codespell = [
-    "codespell<3.0.0,>=2.2.6",
-]
+codespell = ["codespell<3.0.0,>=2.2.6"]
 test_integration = []
-lint = [
-    "ruff<1.0,>=0.5",
-]
+lint = ["ruff<1.0,>=0.5"]
 dev = []
-typing = [
-    "mypy<2.0,>=1.10",
-]
+typing = ["mypy<2.0,>=1.10"]
 
 
+[tool.uv.sources]
+langchain-openai = { path = "../openai", editable = true }
+langchain-core = { path = "../../core", editable = true }
+
 [tool.mypy]
 disallow_untyped_defs = "True"