feat(langchain): add solar model(solar-pro2) support (#48)

* update `tokenizers` dependency version

`^0.19.1` -> `^0.20.0`

* add `solar-pro2` model

* update `poetry.lock`

* except python 3.8 version

* update langchain-upstage version

Author: eora21

.github/workflows/_compile_integration_test.yml

@@ -20,7 +20,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"

.github/workflows/_integration_test.yml

@@ -26,7 +26,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"

.github/workflows/_lint.yml

@@ -29,7 +29,6 @@ jobs:
         # Starting new jobs is also relatively slow,
         # so linting on fewer versions makes CI faster.
         python-version:
-          - "3.8"
           - "3.11"
     steps:
       - uses: actions/checkout@v4

.github/workflows/_test.yml

@@ -20,7 +20,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"

libs/upstage/langchain_upstage/chat_models.py

@@ -53,8 +53,9 @@
 
 from langchain_upstage.document_parse import UpstageDocumentParseLoader
 
-DOC_PARSING_MODEL = ["solar-pro"]
+DOC_PARSING_MODEL = ["solar-pro2", "solar-pro"]
 SOLAR_TOKENIZERS = {
+    "solar-pro2": "upstage/solar-pro2-tokenizer",
     "solar-pro": "upstage/solar-pro-tokenizer",
     "solar-mini": "upstage/solar-1-mini-tokenizer",
 }

libs/upstage/poetry.lock

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langchain-upstage"
-version = "0.6.0"
+version = "0.6.1rc0"
 description = "An integration package connecting Upstage and LangChain"
 authors = []
 readme = "README.md"
@@ -14,7 +14,7 @@ license = "MIT"
 python = ">=3.9,<4.0"
 pypdf = "^4.2.0"
 requests = "^2.31.0"
-tokenizers = "^0.19.1"
+tokenizers = "^0.20.0"
 langchain-openai = "^0.3"
 langchain-core = "^0.3.29"