exception for optional scipy import

Author: matousc89

padasip/detection/__init__.py

@@ -32,5 +32,13 @@
 """
 from padasip.detection.le import learning_entropy
 from padasip.detection.elbnd import ELBND
-from padasip.detection.ese import ESE
+
+
+def ese_not_imported(*args, **kwargs):
+    raise ImportError('You have to install scipy package in order to use ESE.')
+
+try:
+    from padasip.detection.ese import ESE
+except ImportError:
+    ESE = ese_not_imported
 

padasip/detection/ese.py

@@ -74,7 +74,6 @@
 """
 import numpy as np
 from scipy.stats import genpareto
-import math
 
 def pot(data, method):
     """

padasip/filters/ocnlms.py

@@ -1,6 +1,5 @@
 """
-.. versionadded::
-.. versionchanged::
+.. versionadded:: 1.2.0
 
 The online-centered normalized least-mean-squares (OCNLMS) adaptive filter
 (proposed in https://doi.org/10.14311/nnw.2021.31.019)