Update app.py

app.py

@@ -199,15 +199,18 @@ def ensure_subject_verb_agreement(text):
         corrected_text.append(token.text)
     return ' '.join(corrected_text)
 
+# Function to correct spelling errors
 # Function to correct spelling errors
 def correct_spelling(text):
     words = text.split()
     corrected_words = []
     for word in words:
         corrected_word = spell.correction(word)
-        corrected_words.append(corrected_word)
+        # If correction returns None, keep the original word
+        corrected_words.append(corrected_word if corrected_word is not None else word)
     return ' '.join(corrected_words)
 
+
 # Main processing function for paraphrasing and grammar correction
 def paraphrase_and_correct(text):
     cleaned_text = remove_redundant_words(text)