fixup

hysop/backend/device/codegen/symbolic/expr.py

@@ -9,7 +9,7 @@ from hysop.tools.types import check_instance, first_not_None, to_tuple, to_list
 from hysop.tools.numerics import is_fp, is_signed, is_unsigned, is_integer, is_complex
 
 from packaging import version
-if version.parse(sp.__version__) > version.parse("1.7"):
+if version.parse(sm.__version__) > version.parse("1.7"):
     from sympy.printing.c import C99CodePrinter
 else:
     from sympy.printing.ccode import C99CodePrinter

hysop/backend/device/opencl/opencl_printer.py

@@ -2,7 +2,7 @@ from hysop.backend.device.opencl.opencl_types import OpenClTypeGen
 from hysop.tools.types import check_instance
 import sympy as sm
 from packaging import version
-if version.parse(sp.__version__) > version.parse("1.7"):
+if version.parse(sm.__version__) > version.parse("1.7"):
     from sympy.printing.c import C99CodePrinter
 else:
     from sympy.printing.ccode import C99CodePrinter

hysop/tools/field_utils.py

@@ -4,10 +4,11 @@ from hysop.tools.types import first_not_None, to_tuple
 from hysop.tools.sympy_utils import nabla, partial, subscript, subscripts, \
     exponent, exponents, xsymbol, get_derivative_variables
 
+import sympy as sm
 from sympy.printing.str import StrPrinter, StrReprPrinter
 from sympy.printing.latex import LatexPrinter
 from packaging import version
-if version.parse(sp.__version__) > version.parse("1.7"):
+if version.parse(sm.__version__) > version.parse("1.7"):
     from sympy.printing.c import C99CodePrinter
 else:
     from sympy.printing.ccode import C99CodePrinter