>>> make_pretty("+1234")
'+1 (234)'
"""
- if phonenumber is None or phonenumber is "":
+ if phonenumber is None or phonenumber == "":
return ""
phonenumber = misc_utils.normalize_number(phonenumber)
- if phonenumber[0] == "+":
+ if phonenumber == "":
+ return ""
+ elif phonenumber[0] == "+":
prettynumber = _make_pretty_international(phonenumber[1:])
if not prettynumber.startswith("+"):
prettynumber = "+"+prettynumber