DOC: python 3 compatibility fixes in doc/tools

Author: grlee77

doc/tools/apigen.py

@@ -425,12 +425,12 @@ def write_modules_api(self, modules, outdir):
         written_modules = []
 
         for ulm, mods in module_by_ulm.items():
-            print "Generating docs for %s:" % ulm
+            print("Generating docs for %s:" % ulm)
             document_head = []
             document_body = []
 
             for m in mods:
-                print "  -> " + m
+                print("  -> " + m)
                 head, body = self.generate_api_doc(m)
 
                 document_head.append(head)

doc/tools/build_modref_templates.py

@@ -36,7 +36,7 @@ def abort(error):
 
     try:
         __import__(package)
-    except ImportError, e:
+    except ImportError as e:
         abort("Can not import " + package)
 
     module = sys.modules[package]