Add -matplotlib2 patch to fix test failures.

sympy-matplotlib2.patch

@@ -0,0 +1,20 @@
+--- sympy/plotting/plot.py.orig	2016-03-08 11:35:33.000000000 -0700
++++ sympy/plotting/plot.py	2017-01-16 17:27:38.093969621 -0700
+@@ -383,7 +383,7 @@ class Line2DBaseSeries(BaseSeries):
+         np = import_module('numpy')
+         c = self.line_color
+         if hasattr(c, '__call__'):
+-            f = np.vectorize(c)
++            f = np.vectorize(c, [np.float64])
+             arity = len(getargspec(c)[0])
+             if arity == 1 and self.is_parametric:
+                 x = self.get_parameter_points()
+@@ -700,7 +700,7 @@ class SurfaceBaseSeries(BaseSeries):
+         np = import_module('numpy')
+         c = self.surface_color
+         if isinstance(c, Callable):
+-            f = np.vectorize(c)
++            f = np.vectorize(c, [np.float64])
+             arity = len(getargspec(c)[0])
+             if self.is_parametric:
+                 variables = list(map(centers_of_faces, self.get_parameter_meshes()))

sympy.spec

@@ -7,6 +7,8 @@ URL:            http://sympy.org/
 Source0:        https://github.com/%{name}/%{name}/archive/%{name}-%{version}.tar.gz
 # Fix two test failures with recent mpmath versions
 Patch0:         %{name}-test.patch
+# Adapt to changes in matplotlib 2.x
+Patch1:         %{name}-matplotlib2.patch
 BuildArch:      noarch
 
 BuildRequires:  gcc-gfortran
@@ -21,8 +23,10 @@ BuildRequires:  python2-fastcache python3-fastcache
 BuildRequires:  python2-gmpy2 python3-gmpy2
 BuildRequires:  python2-matplotlib python3-matplotlib
 BuildRequires:  python-mpmath python3-mpmath
+BuildRequires:  python-pyglet python3-pyglet
 BuildRequires:  python2-scipy python3-scipy
 BuildRequires:  python2-sphinx
+BuildRequires:  python2-theano python3-theano
 BuildRequires:  tex(latex)
 BuildRequires:  tex-dvipng
 BuildRequires:  xorg-x11-fonts-Type1
@@ -106,6 +110,11 @@ if [ "%{maxpyint}" = "7fffffff" ]; then
     %{sympydir}/sympy/polys/tests/test_rootoftools.py
 fi
 
+# Fix a test failure
+pushd %{sympydir}
+%patch1
+popd
+
 # Make a copy for building the python3 version
 cp -a %{sympydir} python3