diff --git a/python/tffpy/tests/ci_config.py b/python/tffpy/tests/ci_config.py
index 8042047a62c85407493bf43503c21d5a30031d85..c47b4d1a702865869627badf5fba6ecfd3411156 100644
--- a/python/tffpy/tests/ci_config.py
+++ b/python/tffpy/tests/ci_config.py
@@ -7,30 +7,24 @@
 from configparser import ConfigParser
 from pathlib import Path
 import os
-import scipy as sp
-import matplotlib as mpl
 
 from yafe.utils import ConfigParser as YafeConfigParser
 
 from tffpy.utils import get_config_file, generate_config
 
 if __name__ == '__main__':
-    print(sp.__version__)
-    print(mpl.__version__)
     config_file = get_config_file()
     if not config_file.exists():
         generate_config()
         config = ConfigParser()
         config.read(config_file)
-        print(len(Path(__file__).absolute().parents))
-        print(list(Path(__file__).absolute().parents))
         data_path = Path(__file__).absolute().parents[3] / 'data'
         print('Data path:', str(data_path))
         config.set('DATA', 'data_path', str(data_path))
         config.write(open(config_file, 'w'))
 
     yafe_config_file = YafeConfigParser._config_path
-    print(yafe_config_file)
+    print('Yafe configuration file:', yafe_config_file)
     if not yafe_config_file.exists():
         yafe_user_path = Path(os.path.expanduser('~')) / 'yafe_user_path'
         yafe_logger_path = Path(os.path.expanduser('~')) / 'yafe_logger_path'
diff --git a/python/tffpy/utils.py b/python/tffpy/utils.py
index 3151309949051650163cfd8ac38c5132304936b8..0460a8462e6b60b0813874557eb40c1982bed68c 100755
--- a/python/tffpy/utils.py
+++ b/python/tffpy/utils.py
@@ -15,6 +15,7 @@ from ltfatpy import plotdgtreal, dgtreal, idgtreal
 def plot_mask(mask, hop, n_bins, fs):
     """
     Plot time-frequency mask
+
     Parameters
     ----------
     mask : nd-array