Solving Anagram check problem

gistfile1.txt

def dict_load(s):
    d = {}
    for c in s:
        if c == " ":
            pass
        else:
            d[c] = d.get(c, 0) + 1
    return d

def dict_unload(s, d):
    for c in s:
        if c == " ":
            pass
        elif d.get(c, 0) > 1:
            d[c] = d[c] - 1
        elif d.get(c, 0) == 1:
            d.pop(c)
        else:
            return {'some': 'rubbish'}
    return d

 
def anagram_detection(s1,s2): 
    if not dict_unload(s2, dict_load(s1)):
        return True
    else:
        return False

 
s1 = raw_input("Please enter first string:  ").lower()
s2 = raw_input("Please enter second string: ").lower()
 
 
if anagram_detection(s1,s2): 
    print "Anagram." 
else: 
    print "Not Anagram."