jaslkfdj,asldkfj,,,
 slakj,aklsjf,,,
 lsak,sajf,,,

newdict= {}
wd = open('file.csv', 'r')
for line in wd:
      key,val = line.split(',')
      newdict[key]=val
print(newdict)

>>> line = 'jaslkfdj,asldkfj,,,'
>>> key, value = line.split(',')
ValueError: too many values to unpack (expected 2)

>>> line = 'jaslkfdj,asldkfj,,,'
>>> parts = line.split(',')
>>> key, value = parts[:2]

>>> line = 'jaslkfdj,asldkfj,,,'
>>> key, value = line.split(',', 1)

>>> value = value.rstrip(',')

"a,b,,,,,".split(",")[:2]

with open('file.csv', 'r') as wd:
    newdict = dict(line.split(",")[:2] for line in wd.read().splitlines())

print newdict