Update app.py

app.py

@@ -7,7 +7,7 @@ def calculate_distance(ocr_text, orginal_text):
     org_words = orginal_text.split()
     ocr_chars = list(ocr_text)
     org_chars = list(orginal_text)
-    cer = round((Levenshtein.distance(org_chars.lower(), ocr_chars.lower()) / len(org_chars))*100,2)
+    cer = round(((Levenshtein.distance(org_chars.lower(), ocr_chars.lower()) / len(org_chars))*100),2)
     accuracy = 100-cer
     return f"The Character Error Rate (CER): {cer}\n The Accuracy: {accuracy}"