Static code analysis and corrections

utils/venv/lib/python3.6/site-packages/scipy/stats/_constants.py

@@ -0,0 +1,27 @@
+"""
+Statistics-related constants.
+
+"""
+from __future__ import division, print_function, absolute_import
+
+import numpy as np
+
+
+# The smallest representable positive number such that 1.0 + _EPS != 1.0.
+_EPS = np.finfo(float).eps
+
+# The largest [in magnitude] usable floating value.
+_XMAX = np.finfo(float).max
+
+# The log of the largest usable floating value; useful for knowing
+# when exp(something) will overflow
+_LOGXMAX = np.log(_XMAX)
+
+# The smallest [in magnitude] usable floating value.
+_XMIN = np.finfo(float).tiny
+
+# -special.psi(1)
+_EULER = 0.577215664901532860606512090082402431042
+
+# special.zeta(3, 1)  Apery's constant
+_ZETA3 = 1.202056903159594285399738161511449990765