diff --git a/pyproject.toml b/pyproject.toml
index aa1bf05..248223e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.black]
 line-length = 79
-target-version = ['py37', 'py38', 'py39']
+target-version = ['py37','py38','py39']
 include = '\.pyi?$'
 exclude = '''
 /(
@@ -21,4 +21,3 @@ exclude = '''
   | profiling
 )/
 '''
-