Add real,imag to fake numpy namespace abc.

Author: kaushikcfd

arraycontext/fake_numpy.py

@@ -413,6 +413,10 @@ def logaddexp(self, a: ArrayOrContainerOrScalarT, /
                       ) -> ArrayOrContainerOrScalarT: ...
         def logaddexp2(self, a: ArrayOrContainerOrScalarT, /
                        ) -> ArrayOrContainerOrScalarT: ...
+        def real(self, a: ArrayOrContainerOrScalarT, /,
+                 ) -> ArrayOrContainerOrScalarT: ...
+        def imag(self, a: ArrayOrContainerOrScalarT, /,
+                 ) -> ArrayOrContainerOrScalarT: ...
         # {{{ binary/ternary ufuncs
 
         # FIXME: These are more restrictive than necessary, but they'll do the job