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app.py

@@ -1,4 +1,3 @@
-
 from fastapi import FastAPI
 from langserve import add_routes
 from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline
@@ -50,7 +49,7 @@ generator = pipeline(
 # LangChain pipeline
 llm = HuggingFacePipeline(pipeline=generator)
 prompt = ChatPromptTemplate.from_template(
-   """Instruction:
+    """Instruction:
 Explain this Python code step-by-step:
 Use code with caution
 {code}
@@ -64,3 +63,7 @@ chain = prompt | llm | parser
 # Add route
 add_routes(app, chain, path="/explain")
 
+# Run server (necessary for Hugging Face Spaces)
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run("app:app", host="0.0.0.0", port=7860)