sympy is not compatible with unicode literals under py2, see issue 8312

doc/python/BACCAB.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function
 from galgebra.printer import Format, xpdf
 from galgebra.ga import Ga
 

doc/python/Dirac.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function
 import sys
 from sympy import symbols, sin, cos
 from galgebra.printer import Format, xpdf, Get_Program, Print_Function

doc/python/Dop.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function
 from sympy import symbols, sin
 from galgebra.printer import Format, xpdf
 from galgebra.ga import Ga

doc/python/EMWaves.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function
 import sys
 from sympy import symbols, exp, I, Matrix, solve, simplify
 from galgebra.printer import Format, xpdf, Get_Program, Print_Function

doc/python/LinearTrans.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function
 from sympy import symbols, sin, cos
 from galgebra.ga import Ga
 from galgebra.printer import Format, xpdf

doc/python/Ltrans.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function
 from sympy import symbols, sin, cos, latex
 from galgebra.ga import Ga
 from galgebra.printer import Format, xpdf

doc/python/ReciprocalBasis.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function
 from sympy import expand, simplify
 from galgebra.printer import Format, xpdf
 from galgebra.ga import Ga

doc/python/SphericalCoordinates.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function
 import sys
 from sympy import symbols, sin
 from galgebra.printer import Format, xpdf

doc/python/submanifold.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function
 from sympy import symbols, sin, pi, latex
 from galgebra.ga import Ga
 from galgebra.printer import Format, xpdf

doc/python/verify_all.ipynb

@@ -23,7 +23,7 @@
    "outputs": [],
    "source": [
     "from __future__ import absolute_import, division\n",
-    "from __future__ import print_function, unicode_literals\n",
+    "from __future__ import print_function\n",
     "from galgebra.printer import Format, xpdf\n",
     "from galgebra.ga import Ga"
    ]
@@ -309,7 +309,7 @@
    "outputs": [],
    "source": [
     "from __future__ import absolute_import, division\n",
-    "from __future__ import print_function, unicode_literals\n",
+    "from __future__ import print_function\n",
     "import sys\n",
     "from sympy import symbols, sin, cos\n",
     "from galgebra.printer import Format, xpdf, Get_Program, Print_Function\n",

galgebra/__init__.py

@@ -22,4 +22,4 @@
 """
 
 from __future__ import absolute_import, division
-from __future__ import print_function, unicode_literals
+from __future__ import print_function