1--- a/pykalman/utils.py
2+++ b/pykalman/utils_copy.py
3@@ -40,6 +40,10 @@
4 from scipy import linalg
5
6
7+# monkey patch
8+if not hasattr(inspect, 'getargspec'):
9+ inspect.getargspec = inspect.getfullargspec
10+
11 def array1d(X, dtype=None, order=None):
12 """Returns at least 1-d array with data from X"""
13 return np.asarray(np.atleast_1d(X), dtype=dtype, order=order)