diff --git a/src/tokenize.py b/src/tokenize.py
index 7fcb9be..1f35428 100644
--- a/src/tokenize.py
+++ b/src/tokenize.py
@@ -29,7 +29,7 @@
 
 
 # Default locations for symbols
-default_location = SymbolLocation(1, 1, "default-location.txt")
+default_location = SymbolLocation(1, 1, "default-location.txt")  # pragma: no mutate
 
 
 # Represents a tokenizer symbol
@@ -39,10 +39,10 @@
         self.location = location
 
     def __repr__(self):
-        return "Symbol(value %s, location %s)" % (
+        return "Symbol(value %s, location %s)" % (  # pragma: no mutate
             repr(self.value),
             repr(self.location),
-        )  # pragma: no mutate
+        )
 
     def __eq__(self, other):
         return self.value == other.value and self.location == other.location