Did I find the right examples for you? yes no

All Samples(1)  |  Call(0)  |  Derive(0)  |  Import(1)

src/s/a/sage-HEAD/src/sage/matrix/matrix_space.py   sage(Download)
                from sage.symbolic.ring import SR   # causes circular imports
                if R is SR:
                    import matrix_symbolic_dense
                    return matrix_symbolic_dense.Matrix_symbolic_dense
                return matrix_generic_dense.Matrix_generic_dense