update to fix ModuleNotFoundError: No module named 'PyMuPDF'

app.py

@@ -2,7 +2,7 @@ import gradio as gr
 import os
 import uuid
 import shutil
-import PyMuPDF
+import fitz
 from langchain_community.vectorstores import Chroma
 from langchain_google_genai import ChatGoogleGenerativeAI, GoogleGenerativeAIEmbeddings
 from langchain.text_splitter import RecursiveCharacterTextSplitter
@@ -64,7 +64,7 @@ def process_pdf(pdf_file, state):
             os.makedirs(state.vector_store_path)
 
         # Extract text from the PDF
-        doc = PyMuPDF.open(pdf_file.name)
+        doc = fitz.open(pdf_file.name)
         text = ""
         for page in doc:
             text += page.get_text()