diff --git a/setup.py b/setup.py
index eb808e65..7e85ca81 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,9 @@
 
 setup_requires = ['pytest-runner']
 
-tests_require = ['pytest', 'pytest-cov', 'mock']
+tests_require = ['pytest',
+                 'pytest-cov',
+                 'mock']
 
 setup(
   name = "torch_geometric_temporal",