Fix flake8 errors related to whitespace

asdf/asdftypes.py

@@ -148,7 +148,7 @@ def add_by_tag(name, version):
                 self._type_by_name[name] = asdftype
                 add_all_types(asdftype)
 
-        # Process all types defined in the ASDF version map 
+        # Process all types defined in the ASDF version map
         for name, _version in version_map.items():
             add_by_tag(name, AsdfVersion(_version))
 

asdf/commands/tests/__init__.py

@@ -1,3 +1,2 @@
 # Licensed under a 3-clause BSD style license - see LICENSE.rst
 # -*- coding: utf-8 -*-
-

asdf/tagged.py

@@ -114,7 +114,7 @@ def tag_object(tag, instance, ctx=None):
         try:
             instance = yamlutil.custom_tree_to_tagged_tree(instance, ctx)
         except TypeError:
-            raise TypeError("Don't know how to tag a {0}".format(type(instance))) 
+            raise TypeError("Don't know how to tag a {0}".format(type(instance)))
         instance._tag = tag
     return instance
 

asdf/tags/core/tests/test_history.py

@@ -88,7 +88,7 @@ def test_old_history(tmpdir):
     """Make sure that old versions of the history format are still accepted"""
 
     yaml = """
-history: 
+history:
   - !core/history_entry-1.0.0
     description: "Here's a test of old history entries"
     software: !core/software-1.0.0

asdf/tags/wcs/tests/__init__.py

@@ -1 +0,0 @@
-

asdf/tests/test_compression.py

@@ -115,7 +115,7 @@ def test_bzp2(tmpdir):
 
     _roundtrip(tmpdir, tree, 'bzp2')
 
-    
+
 def test_lz4(tmpdir):
     pytest.importorskip('lz4')
     tree = _get_large_tree()