py3: fix doctests in power series

sagemath · Oct 23, 2018 · 7712a7e · 7712a7e
1 parent a0a5f59
commit 7712a7e
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Showing 2 changed files with 12 additions and 15 deletions.
diff --git a/src/sage/rings/multi_power_series_ring_element.py b/src/sage/rings/multi_power_series_ring_element.py
@@ -148,13 +148,12 @@
 - Simon King (08/2012): Use category and coercion framework, :trac:`13412`
 
 """
-
-#*****************************************************************************
+# ****************************************************************************
 #       Copyright (C) 2010 Niles Johnson <nilesj@gmail.com>
 #
 #  Distributed under the terms of the GNU General Public License (GPL)
-#                  http://www.gnu.org/licenses/
-#*****************************************************************************
+#                  https://www.gnu.org/licenses/
+# ****************************************************************************
 from six import iteritems, integer_types
 
 from sage.structure.richcmp import richcmp
@@ -1183,11 +1182,11 @@ def monomials(self):
             sage: R.<a,b,c> = PowerSeriesRing(ZZ); R
             Multivariate Power Series Ring in a, b, c over Integer Ring
             sage: f = 1 + a + b - a*b - b*c - a*c + R.O(4)
-            sage: f.monomials()
-            [1, b*c, b, a, a*c, a*b]
+            sage: sorted(f.monomials())
+            [b*c, a*c, a*b, b, a, 1]
             sage: f = 1 + 2*a + 7*b - 2*a*b - 4*b*c - 13*a*c + R.O(4)
-            sage: f.monomials()
-            [1, b*c, b, a, a*c, a*b]
+            sage: sorted(f.monomials())
+            [b*c, a*c, a*b, b, a, 1]
             sage: f = R.zero()
             sage: f.monomials()
             []

diff --git a/src/sage/rings/power_series_poly.pyx b/src/sage/rings/power_series_poly.pyx
@@ -77,17 +77,15 @@ cdef class PowerSeries_poly(PowerSeries):
 
     def __hash__(self):
         """
-        Return a hash of self.
+        Return a hash of ``self``.
 
         EXAMPLES::
 
             sage: R.<t> = ZZ[[]]
-            sage: t.__hash__()
-            760233507         # 32-bit
-            14848694839950883 # 64-bit
-            sage: hash(t)
-            760233507         # 32-bit
-            14848694839950883 # 64-bit
+            sage: hash(t) == hash(R.gen())
+            True
+            sage: hash(t) != hash(R.one())
+            True
         """
         return hash(self.__f)