diff --git a/src/interp.py b/src/interp.py
index bd44129..b59a5f8 100644
--- a/src/interp.py
+++ b/src/interp.py
@@ -104,7 +104,7 @@
 
     def run_statement(self, ast):
         subject = self.resolve_value(ast.subject)
-        if ast.verb == None:
+        if not ast.verb:
             return subject
         args = []
         for arg in ast.arguments:
diff --git a/tests/test_parse.py b/tests/test_parse.py
index bb29a6a..a7886f8 100644
--- a/tests/test_parse.py
+++ b/tests/test_parse.py
@@ -152,7 +152,7 @@
 @composite
 def draw_token_bool(draw):
     bool = draw(booleans())
-    if bool == True:
+    if bool is True:
         code = "True"
     else:
         code = "False"