Minor fix

app.py

@@ -26,7 +26,9 @@ prompt = PromptTemplate(template = prompt_template, input_variables = ["context"
 chain = prompt | gemini
 
 def inference(pdf_path, chunk_size, chunk_overlap):
-    raw_documents = PyPDFLoader(pdf_path).load()
+    raw_documents = []
+    for path in pdf_path:
+        raw_documents.extend(PyPDFLoader(path).load())
     text_splitter = CharacterTextSplitter(chunk_size=chunk_size, chunk_overlap=chunk_overlap)
     documents = text_splitter.split_documents(raw_documents)
 
@@ -57,7 +59,7 @@ with gr.Blocks(theme=gr.themes.Monochrome()) as demo:
     gr.Markdown(f"# {title}\n{description}")
     with gr.Row():
         with gr.Column():
-            pdf = gr.File(label="Upload your PDF Files", file_count="multiple", file_types=[".pdf"])
+            pdf = gr.File(label="Input PDFs", file_count="multiple", file_types=[".pdf"])
             chunk_size = gr.Slider(0, 2000, 1000, 100, label="Size of Chunk")
             chunk_overlap = gr.Slider(0, 1000, 100, 100, label="Size of Chunk Overlap")
             with gr.Row():