Update app.py

app.py

@@ -64,8 +64,15 @@ mcq_chain = LLMChain(llm=llm, prompt=prompt)
 # Extract text from PDF or Word
 def extract_text(file):
     if file.name.endswith(".pdf"):
-        doc = fitz.open(stream=file.read(), filetype="pdf")
-        return "\n".join([page.get_text() for page in doc])
+        # Read the entire file content into memory
+        file_bytes = file.read()
+        # Open the PDF from the byte stream
+        doc = fitz.open(stream=file_bytes, filetype="pdf")
+        # Extract text from all pages
+        text = ""
+        for page in doc:
+            text += page.get_text()
+        return text
     elif file.name.endswith(".docx"):
         doc = docx.Document(file)
         return "\n".join([para.text for para in doc.paragraphs])