diff --git a/km3net_testdata/__init__.py b/km3net_testdata/__init__.py
index 43f4c47e400be14cfaf07b351e5319d159a7286b..9bc4bfe2da1f9526c07b2c1eda9c281108c20f43 100644
--- a/km3net_testdata/__init__.py
+++ b/km3net_testdata/__init__.py
@@ -15,14 +15,12 @@ try:
 except ImportError:
     from contextlib2 import ExitStack
 
-
 try:
     version = get_distribution(__name__).version
 except DistributionNotFound:
     version = "unknown version"
 __version__ = version
 
-
 LATEST_VERSIONS = {
     "detx": "detx/detx_v3.detx",
 }
diff --git a/km3net_testdata/__main__.py b/km3net_testdata/__main__.py
index f5d277f4da2f8a3d0fd491ef6740e96d89977986..34a6eb2bc159a1a4cbb243efad998a4962275a55 100644
--- a/km3net_testdata/__main__.py
+++ b/km3net_testdata/__main__.py
@@ -8,7 +8,6 @@ from __future__ import print_function
 import argparse
 from . import data_path
 
-
 if __name__ == "__main__":
     description = "Expand a testing dataset path to a full path."
     parser = argparse.ArgumentParser(prog="km3net_testdata")