Update app.py

app.py

@@ -3,13 +3,17 @@ from langchain import OpenAI
 from langchain.docstore.document import Document
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.chains.summarize import load_summarize_chain
-
+from langchain_g4f import G4FLLM
+from g4f import Provider, models
 
 app = Flask(__name__)
-@app.route("/")
+@app.route("/<txt>")
 def t5(txt):
     # Instantiate the LLM model
-    llm = OpenAI(temperature=0, openai_api_key=openai_api_key)
+    llm = G4FLLM(
+        model=models.gpt_35_turbo,
+        provider=Provider.FreeGpt,
+    )
     # Split text
     text_splitter = CharacterTextSplitter()
     texts = text_splitter.split_text(txt)