pandas convert tsv to dataframe

1df = pd.read_csv("PATH../xyz.tsv",sep="\t")

1>>> df1 = DataFrame(csv.reader(open('c:/~/trainSetRel3.txt'), delimiter='\t'))
2
3Traceback (most recent call last):
4  File "<pyshell#28>", line 1, in <module>
5    df1 = DataFrame(csv.reader(open('c:/~/trainSetRel3.txt'), delimiter='\t'))
6  File "C:\Python27\lib\site-packages\pandas\core\frame.py", line 318, in __init__
7    raise PandasError('DataFrame constructor not properly called!')
8PandasError: DataFrame constructor not properly called!
9