From 383296fc80db17317dd385821265003c01134f50 Mon Sep 17 00:00:00 2001 From: Vivien Maisonneuve Date: Thu, 19 Jun 2014 09:15:55 +0200 Subject: [PATCH 1/1] Fix Expression.__hash__ --- pypol/linear.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/pypol/linear.py b/pypol/linear.py index 8f73fd3..2c71c02 100644 --- a/pypol/linear.py +++ b/pypol/linear.py @@ -271,7 +271,7 @@ class Expression: self.constant == other.constant def __hash__(self): - return hash((self._coefficients, self._constant)) + return hash((tuple(sorted(self._coefficients.items())), self._constant)) def _toint(self): lcm = functools.reduce(lambda a, b: a*b // gcd(a, b), -- 2.20.1