error ...1 value to unpack

[Beema shafreen]

hi everybody,
i have a file:

A_16_P21360207#304
A_14_P136880#783
A_16_P21360209#795
A_16_P21360210#173
A_16_P03641959#1177
A_16_P03641960#1944
A_16_P03641962#999
A_16_P41563648#-31
A_16_P03641963#3391
A_16_P41563649#3626
A_16_P03641964#180
A_16_P41563655#1216
A_16_P03641965#1170
A_16_P03641966#194
A_16_P21360229#290
A_16_P03641967#425
A_16_P21360231#1091
A_16_P03641968#1167
A_16_P03641969#421
A_16_P03641970#63
A_16_P21360234#290
A_16_P21360235#289
A_16_P03641971#398
A_16_P21360237#418
A_16_P03641972#122
A_16_P21360239#16
A_16_P03641973#2187
A_16_P41563669#2881
A_16_P03641974#1101fh = open('complete_span','r')
data = fh.readline().split('#')
old_probe = data[0].strip()
old_value = data[1].strip()
#print old_probe, old_value
count = 1
while fh:
        current_probe, current_value = fh.readline().strip().split('#')[0:2]
        probe  =current_probe.strip()
        value  = current_value.strip()
        if old_value > value:
                res_value='%s\t%s'%(old_value, old_probe)
                print res_value
        if count == 244000:
                break
        old_probe,old_value =probe, value
fh.close()
and i face this error:Traceback (most recent call last):
  File "count_values.py", line 8, in <module>
    current_probe, current_value = fh.readline().strip().split('#')[0:2]
ValueError: need more than 1 value to unpack


why do i get this what is the solution for this....
regards
shafreen

A_16_P03641975#451
My script:
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