Update app.py

app.py

@@ -84,7 +84,8 @@ def create_pdf_report(analysis):
     pdf.cell(200, 10, txt="PDF Analysis Report", ln=True, align='C')
     pdf.cell(200, 10, txt=f"Generated on: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}", ln=True, align='C')
     pdf.multi_cell(0, 10, txt=json_to_text(analysis))
-    return bytes(pdf.output(dest='S').encode('latin-1'))
+    pdf_output = pdf.output(dest='S')
+    return pdf_output.encode('latin-1') if isinstance(pdf_output, str) else pdf_output
 
 def create_word_report(analysis):
     doc = Document()