Update app.py

app.py

@@ -29,13 +29,13 @@ def diff_strings(a, b):
         result.append("  ")
         result.append(("", replacement, "#fdd"))
         replacement = ""
-      elif line.startswith("+ "):
-        if len(replacement) == 0:
-          result.append((line[2:]), "", "#dfd"))
-        else:
-          result.append("  ")
-          result.append((line[2:], replacement, "#ddf"))
-          replacement = ""
+    elif line.startswith("+ "):
+      if len(replacement) == 0:
+        result.append((line[2:]), "", "#dfd"))
+      else:
+        result.append("  ")
+        result.append((line[2:], replacement, "#ddf"))
+        replacement = ""
   return result
   
 @st.cache(suppress_st_warning=True, allow_output_mutation=True)