特定環境上でのエラー修正

install.py

@@ -5,13 +5,10 @@ import launch
 import os
 
 if not launch.is_installed('langchain'):
-    launch.run_pip('install langchain', 'langchain')
-
-#if not launch.is_installed('langchainhub'):
-#    launch.run_pip('install langchainhub', 'langchainhub')
+    launch.run_pip('install "langchain<0.3"', 'langchain')
 
 if not launch.is_installed('langchain_community'):
-    launch.run_pip('install langchain_community', 'langchain_community')
+    launch.run_pip('install "langchain_community<0.3"', 'langchain_community')
 
 if not launch.is_installed('gpt4all'):
     launch.run_pip('install gpt4all', 'gpt4all')

scripts/langchainapi.py

@@ -147,9 +147,9 @@ class LangChainApi:
                 stop_words = []
             self.llm = LlamaCpp(
                 model_path=self.settings['llama_cpp_model'],
-                n_gpu_layers=self.settings['llama_cpp_n_gpu_layers'],
-                n_batch=self.settings['llama_cpp_n_batch'],
-                n_ctx=self.settings['llama_cpp_n_ctx'],
+                n_gpu_layers=int(self.settings['llama_cpp_n_gpu_layers']),
+                n_batch=int(self.settings['llama_cpp_n_batch']),
+                n_ctx=int(self.settings['llama_cpp_n_ctx']),
                 streaming=True,
                 callback_manager=AsyncCallbackManager([self.callback]),
                 stop=stop_words,