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lecture 1\ML-Anirban_Tutorial1.ipynb file is unable to open in JupyterNotebook.
Could you please fix that?

Thanks in advance

In Logistic Regression section of the code

Prepare data code cell

for the following line the below mentioned error occurs
plt.scatter(X_class0[:,0], X_class0[:,1],color='red')

---

ValueError Traceback (most recent call last)
in ()
27 Y_class1 = np.ones((X_class1.shape[0]),dtype=np.int)
28
---> 29 plt.scatter(X_class0[:,0], X_class0[:,1],color='red')
30 plt.scatter(X_class1[:,0], X_class1[:,1],color='blue')
31 plt.xlabel('sepal length')

~/anaconda3/envs/mlai/lib/python3.6/site-packages/matplotlib/pyplot.py in scatter(x, y, s, c, marker, cmap, norm, vmin, vmax, alpha, linewidths, verts, edgecolors, hold, data, **kwargs)
3468 vmin=vmin, vmax=vmax, alpha=alpha,
3469 linewidths=linewidths, verts=verts,
-> 3470 edgecolors=edgecolors, data=data, **kwargs)
3471 finally:
3472 ax._hold = washold

~/anaconda3/envs/mlai/lib/python3.6/site-packages/matplotlib/init.py in inner(ax, *args, **kwargs)
1853 "the Matplotlib list!)" % (label_namer, func.name),
1854 RuntimeWarning, stacklevel=2)
-> 1855 return func(ax, *args, **kwargs)
1856
1857 inner.doc = _add_data_doc(inner.doc,

~/anaconda3/envs/mlai/lib/python3.6/site-packages/matplotlib/axes/_axes.py in scatter(self, x, y, s, c, marker, cmap, norm, vmin, vmax, alpha, linewidths, verts, edgecolors, **kwargs)
4285 x, y, s, c, colors, edgecolors, linewidths =
4286 cbook.delete_masked_points(
-> 4287 x, y, s, c, colors, edgecolors, linewidths)
4288
4289 scales = s # Renamed for readability below.

~/anaconda3/envs/mlai/lib/python3.6/site-packages/matplotlib/cbook/init.py in delete_masked_points(*args)
1655 if isinstance(x, np.ma.MaskedArray):
1656 if x.ndim > 1:
-> 1657 raise ValueError("Masked arrays must be 1-D")
1658 else:
1659 x = np.asarray(x)

ValueError: Masked arrays must be 1-D

plt.scatter(X_class1[:,0], X_class1[:,1],color='blue')

should be
plt.scatter([X_class1[:,0]], [X_class1[:,1]],color='blue')

ans same for other red color