split bad doctest (it was evaluating only the first value)

Author: oesteban

nipype/utils/misc.py

@@ -207,8 +207,23 @@ def str2bool(v):
     >>> any([str2bool(v.encode('utf-8'))
     ...      for v in ("no", "false", "n", "f", "0", "off", "Off")])
     False
-    >>> any([str2bool(v) for v in (None, '/some/path', 'Agg', 'INFO',
-    ...      '/some/bytes/path'.encode('utf-8'))])  # doctest: +ELLIPSIS
+    >>> str2bool(None)  # doctest: +ELLIPSIS
+    Traceback (most recent call last):
+        ...
+    ValueError: ...
+    >>> str2bool('/some/path')  # doctest: +ELLIPSIS
+    Traceback (most recent call last):
+        ...
+    ValueError: ...
+    >>> str2bool('Agg')  # doctest: +ELLIPSIS
+    Traceback (most recent call last):
+        ...
+    ValueError: ...
+    >>> str2bool('INFO')  # doctest: +ELLIPSIS
+    Traceback (most recent call last):
+        ...
+    ValueError: ...
+    >>> str2bool('/some/bytes/path'.encode('utf-8'))  # doctest: +ELLIPSIS
     Traceback (most recent call last):
         ...
     ValueError: ...