_tkinter.TclError: expected integer but got "%#"

# Libtkinter__init__.py

# line 1416
    e.serial = getint(nsign)  # old
    e.serial = getint_event(nsign)  # new

# line 1445
e.delta = 0  # old
e.delta = 0 if e.serial != '%#' else D  # new