FIX: Fix ImportError for gcd (#573)

* FIX: Fix ImportError for `gcd` * add testing agains python=3.9 * Revert "add testing agains python=3.9" This reverts commit 46e6f3c. Co-authored-by: mmcky <mamckay@gmail.com>
QuantEcon · Mar 1, 2021 · e5d5eaa · e5d5eaa
1 parent e5ccec1
commit e5d5eaa
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diff --git a/quantecon/graph_tools.py b/quantecon/graph_tools.py
@@ -5,7 +5,7 @@
 import numpy as np
 from scipy import sparse
 from scipy.sparse import csgraph
-from fractions import gcd
+from math import gcd
 from numba import jit
 
 from .util import check_random_state

diff --git a/quantecon/markov/core.py b/quantecon/markov/core.py
@@ -80,7 +80,7 @@
 
 """
 import numbers
-from fractions import gcd
+from math import gcd
 import numpy as np
 from scipy import sparse
 from numba import jit