diff --git a/Snakefile b/Snakefile
index ba60cbc9..ee24841a 100644
--- a/Snakefile
+++ b/Snakefile
@@ -13,6 +13,7 @@ from snakemake.utils import min_version
 
 min_version("7.7")
 
+
 configfile: "config/config.default.yaml"
 configfile: "config/config.yaml"
 
diff --git a/config/config.yaml b/config/config.yaml
index 620a695c..efe2ccb2 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -5,4 +5,4 @@
 
 version: 0.9.0
 # enable:
-#   retrieve: false
\ No newline at end of file
+#   retrieve: false
diff --git a/doc/installation.rst b/doc/installation.rst
index d2fdfb4e..4289b098 100644
--- a/doc/installation.rst
+++ b/doc/installation.rst
@@ -129,4 +129,3 @@ You can also use ``snakemake`` to specify another file, e.g.
 .. code:: bash
 
     .../pypsa-eur % snakemake -call --configfile config/config.mymodifications.yaml
-