Closed
Description
In [2]: pd.__version__
Out[2]: '0.16.2-123-gdf1f5cf'
In [3]: pd.options.display.max_rows = 3
In [4]: pd.Series(randn(3)).to_sparse()
Out[4]:
0 1.100684
1 -0.924482
2 -0.106069
dtype: float64
BlockIndex
Block locations: array([0], dtype=int32)
Block lengths: array([3], dtype=int32)
In [5]: pd.Series(randn(4)).to_sparse()
Out[5]: ---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
...
TypeError: cannot concatenate a non-NDFrame object
Set max_rows=3
for demonstration, but occurs also for the default max_rows=60
.