src/sage/calculus/expr.py: Move imports from method to module

vbraun · May 12, 2024 · d64bfa1 · d64bfa1
1 parent 33a1ac4
commit d64bfa1
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/src/sage/calculus/expr.py b/src/sage/calculus/expr.py
@@ -3,6 +3,9 @@
 """
 
 from sage.misc.lazy_import import lazy_import
+from sage.structure.element import is_Matrix
+from sage.symbolic.expression import Expression
+from sage.symbolic.ring import SR
 
 lazy_import('sage.modules.free_module_element', ['vector', 'FreeModuleElement'])
 lazy_import('sage.matrix.constructor', 'matrix')
@@ -163,10 +166,6 @@ def symbolic_expression(x):
         TypeError: unable to convert <function function_with_keyword_only_arg at 0x...>
         to a symbolic expression
     """
-    from sage.structure.element import is_Matrix
-    from sage.symbolic.expression import Expression
-    from sage.symbolic.ring import SR
-
     if isinstance(x, Expression):
         return x
     elif hasattr(x, '_symbolic_'):