Add "form" parameter for Date field method Allow the specification of a "form" parameter for Date fields to make the popup calendar work when the enclosing form has a name different from "itemSynopsis".

try:
    # Python 3+
    from ssl import SSLError
except (ImportError, AttributeError):
    # Python 2.5-2.7
    from socket import sslerror as SSLError  # noqa: F401