diff --git a/setup.py b/setup.py
index e850841..c67ee1a 100644
--- a/setup.py
+++ b/setup.py
@@ -77,7 +77,7 @@ def read(*names, **kwargs):
         # eg: 'keyword1', 'keyword2', 'keyword3',
     ],
     python_requires=">=3.7",
-    install_requires=["pandas", "blinker", "dill", "networkx","oemof.tools"],
+    install_requires=["pandas", "blinker", "dill", "networkx", "oemof.tools"],
     extras_require={
         "dev": ["pytest"],
         # eg: