pd.set_option('max_colwidth', 10)
>>> pd.set_option('max_colwidth', 10)
>>> pd.DataFrame(index=[i for i in range(10)], data={'foo':[['this', 'is', 'a', 'list', 'that', 'is', 'very', 'long'] for i in range(10)]})
foo
0 [this,...
1 [this,...
2 [this,...
3 [this,...
4 [this,...
5 [this,...
6 [this,...
7 [this,...
8 [this,...
9 [this,...