private void checkCallable(@NotNull PyElement node, @Nullable PyExpression callee) {
      if (node.getParent() instanceof PyDecorator) return; //we've already been here

      if (callee != null && isCallable(callee, myTypeEvalContext) == Boolean.FALSE) {
        final PyType calleeType = myTypeEvalContext.getType(callee);
        @InspectionMessage String message = PyPsiBundle.message("INSP.expression.is.not.callable");
        if (calleeType instanceof PyClassType) {
          message = PyPsiBundle.message("INSP.class.object.is.not.callable", calleeType.getName());
        }
        else {
          final String name = callee.getName();
          if (name != null) {
            message = PyPsiBundle.message("INSP.symbol.is.not.callable", name);
          }
        }
        registerProblem(node, message, new PyRemoveCallQuickFix());
      }
    }
private void checkCallable(@NotNull PyElement node, @Nullable PyExpression callee)