dont import symbols from sympy

psydac/api/tests/test_2d_mapping_biharmonic.py

@@ -16,7 +16,6 @@
 
 from mpi4py import MPI
 from sympy import pi, cos, sin, symbols
-from sympy.abc import x, y
 import pytest
 import os
 import numpy as np
@@ -43,6 +42,8 @@
     base_dir = os.path.join(base_dir, '..', '..', '..')
     mesh_dir = os.path.join(base_dir, 'mesh')
 # ...
+x,y = symbols('x,y', real=True)
+
 #==============================================================================
 def get_boundaries(*args):
 

psydac/api/tests/test_2d_mapping_laplace.py

@@ -16,7 +16,6 @@
 
 from mpi4py import MPI
 from sympy import pi, cos, sin, symbols
-from sympy.abc import x, y
 import pytest
 import os
 import numpy as np
@@ -43,6 +42,8 @@
     base_dir = os.path.join(base_dir, '..', '..', '..')
     mesh_dir = os.path.join(base_dir, 'mesh')
 # ...
+x,y = symbols('x,y', real=True)
+
 #==============================================================================
 def get_boundaries(*args):
 

psydac/api/tests/test_2d_mapping_poisson.py

@@ -17,7 +17,6 @@
 import os
 from mpi4py import MPI
 from sympy import pi, cos, sin, symbols
-from sympy.abc import x, y
 import pytest
 import numpy as np
 
@@ -44,6 +43,8 @@
     base_dir = os.path.join(base_dir, '..', '..', '..')
     mesh_dir = os.path.join(base_dir, 'mesh')
 
+x, y = symbols('x, y', real=True)
+
 # backend to activate multi threading
 PSYDAC_BACKEND_GPYCCEL_WITH_OPENMP           = PSYDAC_BACKEND_GPYCCEL.copy()
 PSYDAC_BACKEND_GPYCCEL_WITH_OPENMP['openmp'] = True

psydac/api/tests/test_api_2d_fields.py

@@ -15,8 +15,7 @@
 #      coordinates (r, theta), but with reversed order: hence x1=theta and x2=r
 
 from mpi4py import MPI
-from sympy import pi, cos, sin, log, exp, lambdify
-from sympy.abc import x, y
+from sympy import pi, cos, sin, log, exp, lambdify, symbols
 import pytest
 import os
 
@@ -46,6 +45,7 @@
     base_dir = os.path.join(base_dir, '..', '..', '..')
     mesh_dir = os.path.join(base_dir, 'mesh')
 # ...
+x, y = symbols('x, y', real=True)
 
 #------------------------------------------------------------------------------
 def run_field_test(filename, f):

psydac/api/tests/test_api_2d_vector_mapping.py

@@ -1,7 +1,7 @@
 # -*- coding: UTF-8 -*-
 
 import os
-from sympy import Tuple, Matrix
+from sympy import Tuple, Matrix, symbols
 from sympy import pi, sin
 
 from sympde.calculus import grad, dot, inner
@@ -24,6 +24,7 @@
     base_dir = os.path.join(base_dir, '..', '..', '..')
     mesh_dir = os.path.join(base_dir, 'mesh')
 # ...
+x,y = symbols('x,y', real=True)
 
 #==============================================================================
 def run_vector_poisson_2d_dir(filename, solution, f):
@@ -86,8 +87,6 @@ def run_vector_poisson_2d_dir(filename, solution, f):
 def test_api_vector_poisson_2d_dir_identity():
     filename = os.path.join(mesh_dir, 'identity_2d.h5')
 
-    from sympy.abc import x,y
-
     u1 = sin(pi*x)*sin(pi*y)
     u2 = sin(pi*x)*sin(pi*y)
     solution = Tuple(u1, u2)
@@ -108,8 +107,6 @@ def test_api_vector_poisson_2d_dir_identity():
 def test_api_vector_poisson_2d_dir_collela():
     filename = os.path.join(mesh_dir, 'collela_2d.h5')
 
-    from sympy.abc import x,y
-
     u1 = sin(pi*x)*sin(pi*y)
     u2 = sin(pi*x)*sin(pi*y)
     solution = Tuple(u1, u2)

psydac/api/tests/test_api_2d_vector_multipatch_mapping.py

@@ -1,7 +1,7 @@
 # -*- coding: UTF-8 -*-
 
 import os
-from sympy import Tuple, Matrix
+from sympy import Tuple, Matrix, symbols
 from sympy import pi, sin
 
 from sympde.calculus import grad, dot, inner, Transpose
@@ -101,7 +101,7 @@ def run_vector_poisson_2d_dir(filename, solution, f):
 def test_api_vector_poisson_2d_dir_identity():
     filename = os.path.join(mesh_dir, 'multipatch/square.h5')
 
-    from sympy.abc import x,y
+    x,y = symbols('x,y', real=True)
 
     u1 = sin(pi*x)*sin(pi*y)
     u2 = sin(pi*x)*sin(pi*y)

psydac/api/tests/test_api_3d_scalar_mapping.py

@@ -1,7 +1,7 @@
 # -*- coding: UTF-8 -*-
 
 from mpi4py import MPI
-from sympy import pi, cos, sin
+from sympy import pi, cos, sin, symbols
 import pytest
 import os
 
@@ -240,7 +240,7 @@ def test_api_poisson_3d_dir_collela():
 
     filename = os.path.join(mesh_dir, 'collela_3d.h5')
 
-    from sympy.abc import x,y,z
+    x,y,z = symbols('x,y,z', real=True)
 
     solution = sin(pi*x)*sin(pi*y)*sin(pi*z)
     f        = 3*pi**2*sin(pi*x)*sin(pi*y)*sin(pi*z)
@@ -258,7 +258,7 @@ def test_api_poisson_3d_dir_collela():
 def test_api_poisson_3d_dirneu_identity_2():
     filename = os.path.join(mesh_dir, 'identity_3d.h5')
 
-    from sympy.abc import x,y,z
+    x,y,z = symbols('x,y,z', real=True)
 
     solution = sin(0.5*pi*x)*sin(pi*y)*sin(pi*z)
     f        = (9./4.)*pi**2*solution

psydac/api/tests/test_api_3d_vector_mapping.py

@@ -1,7 +1,7 @@
 # -*- coding: UTF-8 -*-
 
 import os
-from sympy import Tuple, Matrix
+from sympy import Tuple, Matrix, symbols
 from sympy import pi, sin
 
 from sympde.calculus import grad, dot, inner
@@ -85,7 +85,7 @@ def run_vector_poisson_3d_dir(filename, solution, f):
 def test_api_vector_poisson_3d_dir_identity():
     filename = os.path.join(mesh_dir, 'identity_3d.h5')
 
-    from sympy.abc import x,y,z
+    x,y,z = symbols('x,y,z', real=True)
 
     u1 = sin(pi*x)*sin(pi*y)*sin(pi*z)
     u2 = sin(pi*x)*sin(pi*y)*sin(pi*z)
@@ -109,7 +109,7 @@ def test_api_vector_poisson_3d_dir_identity():
 def test_api_vector_poisson_3d_dir_collela():
     filename = os.path.join(mesh_dir, 'collela_3d.h5')
 
-    from sympy.abc import x,y,z
+    x,y,z = symbols('x,y,z', real=True)
 
     u1 = sin(pi*x)*sin(pi*y)*sin(pi*z)
     u2 = sin(pi*x)*sin(pi*y)*sin(pi*z)