Update app.py

app.py

@@ -9,7 +9,6 @@ from langchain.chains.question_answering import load_qa_chain
 from langchain_google_genai import GoogleGenerativeAIEmbeddings
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 
-
 def process_pdf_files(pdf_files, embedding_model_name):
     text = ""
     for pdf in pdf_files:
@@ -64,10 +63,6 @@ def main():
 
     st.subheader("Upload your PDF Files")
     pdf_files = st.file_uploader("Upload your files", accept_multiple_files=True)
-    if st.button("Submit data") and pdf_files:
-        with st.spinner("Processing the data . . ."):
-            process_pdf_files(pdf_files, embedding_model_name)
-            st.success("Files submitted successfully")
 
     st.sidebar.header("Configuration")
     api_key = st.sidebar.text_input("Google API Key:", type="password")
@@ -90,6 +85,14 @@ def main():
     else:
         embedding_model_name = selected_embedding_model
 
+    if st.button("Submit data") and pdf_files:
+        if embedding_model_name:
+            with st.spinner("Processing the data . . ."):
+                process_pdf_files(pdf_files, embedding_model_name)
+                st.success("Files submitted successfully")
+        else:
+            st.warning("Please select or enter an embedding model.")
+
     if api_key:
         genai.configure(api_key=api_key)
         
@@ -137,4 +140,4 @@ def get_base64_of_image(image_path):
     return base64_str
 
 if __name__ == "__main__":
-    main()
+    main()