diff --git a/docs/build/doctrees/environment.pickle b/docs/build/doctrees/environment.pickle
index 9da08cc..74278f2 100644
Binary files a/docs/build/doctrees/environment.pickle and b/docs/build/doctrees/environment.pickle differ
diff --git a/quasinet/qnet.py b/quasinet/qnet.py
index a8522b2..98dd3ea 100644
--- a/quasinet/qnet.py
+++ b/quasinet/qnet.py
@@ -486,7 +486,6 @@ def func(i):
         A=[func(i) for i in list(self.estimators_.keys())]
         if remove_newline:
             from quasinet.utils import remove_newline_in_dotfile
-            import glob
             
             for dotfile in glob.glob(tree_path+'/*dot'):
                 remove_newline_in_dotfile(dotfile)
diff --git a/version.py b/version.py
index 46468cd..63f99a8 100644
--- a/version.py
+++ b/version.py
@@ -1 +1 @@
-__version__ = '0.1.66'
+__version__ = '0.1.67'