diff --git a/src/main/py/read_math_function.py b/src/main/py/read_math_function.py
index 370b39b..6266de5 100644
--- a/src/main/py/read_math_function.py
+++ b/src/main/py/read_math_function.py
@@ -10,5 +10,4 @@ def is_string(value):
 
 def is_allowed_string(type, value):
     allowed = "+-*/()^"
-    result = all(character.isdigit() or character in allowed for character in value)
-    return result
\ No newline at end of file
+    return all(character.isdigit() or character in allowed for character in value)
\ No newline at end of file