2to3: Apply `raise` fixes. Closes #3077.

Replaces the

    raise Exception, msg:

form with

    raise Exception(msg):

2 files changed, 3 insertions, 3 deletions

diff --git a/doc/numpybook/comparison/weave/filter.py b/doc/numpybook/comparison/weave/filter.py
index 6fc16c79f..41992708d 100644
--- a/doc/numpybook/comparison/weave/filter.py
+++ b/doc/numpybook/comparison/weave/filter.py
@@ -2,7 +2,7 @@ from scipy import weave, zeros_like
 
 def filter(a):
     if a.ndim != 2:
-        raise ValueError, "a must be 2-d"
+        raise ValueError("a must be 2-d")
     code = r"""
     int i,j;
     for(i=1;i<Na[0]-1;i++) {
diff --git a/doc/numpybook/comparison/weave/inline.py b/doc/numpybook/comparison/weave/inline.py
index bfac588aa..0bf62ffe8 100644
--- a/doc/numpybook/comparison/weave/inline.py
+++ b/doc/numpybook/comparison/weave/inline.py
@@ -3,7 +3,7 @@ from numpy import rand, zeros_like
 
 def example1(a):
     if not isinstance(a, list):
-        raise ValueError, "argument must be a list"
+        raise ValueError("argument must be a list")
     code = r"""
            int i;
            py::tuple results(2);
@@ -18,7 +18,7 @@ def example1(a):
 
 def arr(a):
     if a.ndim != 2:
-        raise ValueError, "a must be 2-d"
+        raise ValueError("a must be 2-d")
     code = r"""
     int i,j;
     for(i=1;i<Na[0]-1;i++) {