Fix requirement inequality mistake

Author: ahn1340

requirements.txt

@@ -4,7 +4,7 @@ nose
 six
 Cython
 
-numpy>=1.9.0<=1.14.5
+numpy<=1.9.0>=1.14.5
 scipy>=0.14.1
 
 scikit-learn>=0.19,<0.20

setup.py

@@ -36,7 +36,7 @@
     "six",
     "Cython",
     # Numpy version of higher than 1.14.5 causes libgcc_s.so.1 error.
-    "numpy>=1.9.0<=1.14.5",
+    "numpy<=1.9.0>=1.14.5",
     "scipy>=0.14.1",
     "scikit-learn>=0.19,<0.20",
     "lockfile",