Add new code to app.py that helps with feature matching.

app.py

@@ -35,6 +35,14 @@ def vectorize_text(text):
     text = vectorizer.fit_transform([text])
     return text
 
+# Valid input for the model so number of features match
+def create_valid_input(text):
+    text = vectorize_text(text)
+    text = text.toarray()
+    text = text.reshape(1, -1)
+    return text
+
+# Prediction function
 def predict(text):
     text = vectorize_text(text)
     prediction = model.predict(text)