Be explicit about sequence indexing.

Author: arokem

nitime/utils.py

@@ -2037,8 +2037,8 @@ def zscore(time_series, axis=-1):
     st = time_series.std(axis=axis)
     sl = [slice(None)] * len(time_series.shape)
     sl[axis] = np.newaxis
-    zt = time_series - et[sl]
-    zt /= st[sl]
+    zt = time_series - et[tuple(sl)]
+    zt /= st[tuple(sl)]
     return zt