Update app.py

app.py

@@ -1,58 +1,50 @@
 import streamlit as st
-from langchain import PromptTemplate
-from langchain.chat_models import ChatHuggingFace
+from langchain_core.prompts import PromptTemplate
+from langchain_community.chat_models import ChatHuggingFace
 import os
 
 hf_token = os.getenv("HUGGINGFACEHUB_API_KEY")
 
-# Setup LLM
-llm_model = ChatHuggingFace(
-    model="HuggingFaceH4/zephyr-7b-beta",
-    huggingfacehub_api_token=hf_token,
+if not hf_token:
+    st.error("Hugging Face API token not found. Please set the environment variable 'HUGGINGFACE_API_TOKEN'.")
+    st.stop()
+
+llm_model = ChatHuggingFace.from_model_id(
+    model_id="HuggingFaceH4/zephyr-7b-beta",
+    task="conversational",
     model_kwargs={
         "temperature": 0.7,
-        "max_new_tokens": 200,
-        "task": "conversational",
-    }
+        "max_new_tokens": 200
+    },
+    huggingfacehub_api_token=hf_token
 )
 
-    
-    # repo_id="HuggingFaceH4/zephyr-7b-beta",
-    # task="conversational",
-    # temperature=0.7,
-    # max_new_tokens=300,
-    # model="huggingface",
-    # provider="hf-inference"
-
-# Prompt template
 prompt = PromptTemplate.from_template("""
 You are an expert career advisor specializing in analyzing job descriptions and providing actionable insights to help job seekers tailor their resumes and skills for maximum impact.
 
 Given the Job Description below, extract and present the following sections **using markdown formatting**:
 
-**1. Key Technical Skills**  
+**1. Key Technical Skills**
 List the main technical skills required using bullet points.
 
-**2. Important Soft Skills**  
+**2. Important Soft Skills**
 List the soft skills emphasized by the employer using bullet points.
 
-**3. Suggested Mini Projects**  
+**3. Suggested Mini Projects**
 Recommend mini projects or learning paths to strengthen the candidate’s profile, using bullet points.
 
-**4. Resume Improvement Tips**  
+**4. Resume Improvement Tips**
 Provide practical and specific tips to improve the candidate's resume, using bullet points.
 
 Use **bold headings** for each section and markdown bullet points (`- `). Write in a professional yet friendly tone. Be concise, clear, and focused on actionable advice.
 
-Job Description:  
+Job Description:
 \"\"\"{job_description}\"\"\"
 
 """)
 
-# Chain
 chain = prompt | llm_model
 
-# Streamlit UI
 st.set_page_config(page_title="JD Analyzer AI")
 st.title("📄 JD Analyzer AI")
 st.markdown("Paste any job description below and get insights to improve your profile.")
@@ -60,7 +52,13 @@ st.markdown("Paste any job description below and get insights to improve your pr
 jd_input = st.text_area("Paste Job Description:", height=300)
 
 if st.button("Analyze"):
-    with st.spinner("Analyzing the JD..."):
-        output = chain.invoke({"job_description": jd_input})
-        st.markdown("### 🔍 Output")
-        st.markdown(output)
+    if not jd_input.strip():
+        st.warning("Please paste a job description to analyze.")
+    else:
+        try:
+            with st.spinner("Analyzing..."):
+                output = chain.invoke({"job_description": jd_input})
+            st.markdown("### 🔍 Output")
+            st.markdown(output)
+        except Exception as e:
+            st.error(f"Error: {e}")