Update app.py

app.py

@@ -20,12 +20,18 @@ llm = HuggingFaceEndpoint(
 llm_engine_hf = ChatHuggingFace(llm=llm)
 
 def read_pdf(file_path):
-    pdf_reader = PyPDF2.PdfReader(file_path)
-    text = ""
-    for page in range(len(pdf_reader.pages)):
-        text += pdf_reader.pages[page].extract_text()
-    return text
+    print("It is a PDF file")
+    try:
+        pdf_reader = PyPDF2.PdfReader(file_path)
+        text = ""
+        for page in range(len(pdf_reader.pages)):
+            text += pdf_reader.pages[page].extract_text()
+        return text
+    except Exception as e:
+        print("Error reading file, ", e)
+        
 def read_txt(file_path):
+    print("It is not a PDF file")
     with open(file_path, "r", encoding="utf-8") as f:
         text = f.read()
     return text