Fix doc errors in Python 2.x

bob/blitz/array.cpp

@@ -22,7 +22,7 @@ auto array_doc = bob::extension::ClassDoc(
     "array",
     "Constructs a new :py:class:`bob.blitz.array`",
     "The implementation current supports a maximum of 4 dimensions. "
-    "Building an array with more dimensions will raise a :py:class:`TypeError`. "
+    "Building an array with more dimensions will raise a :py:exc:`TypeError`. "
     "There are no explicit limits for the size in each dimension, except for the machine's maximum address size.\n\n"
     "The following numpy data types are supported by this library:\n\n"
     " * :py:class:`numpy.bool_`\n"

bob/blitz/main.cpp

@@ -20,7 +20,7 @@ auto as_blitz = bob::extension::FunctionDoc(
   "Converts any compatible python object into a shallow :py:class:`" BOB_EXT_MODULE_PREFIX ".array`",
   "This function works by first converting the input object ``x`` into a :py:class:`numpy.ndarray` and then shallow wrapping that ``ndarray`` into a new :py:class:`" BOB_EXT_MODULE_PREFIX ".array`. "
   "You can access the converted ``ndarray`` using the returned value's :py:meth:`" BOB_EXT_MODULE_PREFIX ".array.base` attribute. "
-  "If the ``ndarray`` cannot be shallow-wrapped, a :py:class:`ValueError` is raised.\n\n"
+  "If the ``ndarray`` cannot be shallow-wrapped, a :py:exc:`ValueError` is raised.\n\n"
   "In the case the input object ``x`` is already a behaved (C-style, memory-aligned, contiguous) :py:class:`numpy.ndarray`, then this function only shallow wrap's it into a :py:class:`" BOB_EXT_MODULE_PREFIX ".array` skin."
 )
 .add_prototype("x", "array")

doc/nitpick-exceptions.txt

@@ -26,3 +26,7 @@ py:class numpy.float128
 py:class numpy.complex64
 py:class numpy.complex128
 py:class numpy.complex256
+
+# not sure why these don't work
+py:exc ValueError
+py:exc TypeError