diff --git a/Makefile b/Makefile
index 8c295a0c6e391ffc8410f5018170384ce5c2fd4d..57ad3e7cabe0ce840994fe4c9e0002c509f3adfe 100644
--- a/Makefile
+++ b/Makefile
@@ -33,9 +33,7 @@ clean:
 	rm -rf .tox
 	rm -rf .pytest_cache
 	rm -rf *.egg-info
-	rm -rf */__pycache__
-	rm -rf */**/__pycache__
-	pre-commit clean
+	# pre-commit clean
 
 publish:
 	# call optional with argument: make part=minor publish
diff --git a/tfields/__init__.py b/tfields/__init__.py
index 52115aadd4de372e10e1cd9511fe827c028fc69b..d8da713bc533ba97bdaa00f140c3cc2ed4a7efce 100644
--- a/tfields/__init__.py
+++ b/tfields/__init__.py
@@ -6,7 +6,6 @@ TODO: proper documentation, also in dough.
 __author__ = """Daniel Böckenhoff"""
 __email__ = "dboe@ipp.mpg.de"
 __version__ = "0.3.11"
-
 # methods:
 from tfields.core import dim, rank
 from tfields.mask import evalf