Avoid extraneous whitespace in the following situations:

    - More than one space around an assignment (or other) operator to
      align it with another.

def whitespace_around_operator(logical_line):
    """
    Avoid extraneous whitespace in the following situations:

    - More than one space around an assignment (or other) operator to
      align it with another.
    """
    line = logical_line
    for operator in operators:
        found = line.find('  ' + operator)
        if found > -1:
            return found, "E221 multiple spaces before operator"
        found = line.find(operator + '  ')
        if found > -1:
            return found, "E222 multiple spaces after operator"
        found = line.find('\t' + operator)
        if found > -1:
            return found, "E223 tab before operator"
        found = line.find(operator + '\t')
        if found > -1:
            return found, "E224 tab after operator"