FIX: Added a few missing commas to deprecations

Backports gh-991

Author: jond01

nibabel/gifti/gifti.py

@@ -43,7 +43,7 @@ def from_dict(klass, data_dict):
 
     @deprecate_with_version(
         'get_metadata method deprecated. '
-        "Use the metadata property instead."
+        "Use the metadata property instead.",
         '2.1', '4.0')
     def get_metadata(self):
         return self.metadata
@@ -155,7 +155,7 @@ def __init__(self, key=0, red=None, green=None, blue=None, alpha=None):
 
     @deprecate_with_version(
         'get_rgba method deprecated. '
-        "Use the rgba property instead."
+        "Use the rgba property instead.",
         '2.1', '4.0')
     def get_rgba(self):
         return self.rgba
@@ -523,7 +523,7 @@ def print_summary(self):
 
     @deprecate_with_version(
         'get_metadata method deprecated. '
-        "Use the metadata property instead."
+        "Use the metadata property instead.",
         '2.1', '4.0')
     def get_metadata(self):
         return self.meta.metadata

nibabel/volumeutils.py

@@ -1551,7 +1551,7 @@ class BinOpener(Opener):
     __doc__ = Opener.__doc__
 
     @deprecate_with_version('BinOpener class deprecated. '
-                            "Please use Opener class instead."
+                            "Please use Opener class instead.",
                             '2.1', '4.0')
     def __init__(self, *args, **kwargs):
         return super(BinOpener, self).__init__(*args, **kwargs)