restrict langchain

Author: sentrivana

scripts/populate_tox/tox.jinja

@@ -228,7 +228,7 @@ deps =
     langchain-v0.3: langchain-community
     langchain-v0.3: tiktoken
     langchain-v0.3: openai
-    langchain-{latest,notiktoken}: langchain
+    langchain-{latest,notiktoken}: langchain<1.0
     langchain-{latest,notiktoken}: langchain-openai
     langchain-{latest,notiktoken}: openai>=1.6.1
     langchain-latest: tiktoken~=0.6.0

tox.ini

@@ -402,7 +402,7 @@ deps =
     langchain-v0.3: langchain-community
     langchain-v0.3: tiktoken
     langchain-v0.3: openai
-    langchain-{latest,notiktoken}: langchain
+    langchain-{latest,notiktoken}: langchain<1.0
     langchain-{latest,notiktoken}: langchain-openai
     langchain-{latest,notiktoken}: openai>=1.6.1
     langchain-latest: tiktoken~=0.6.0