Update upstream source from tag 'debian/upstream/0.2.1'

Update to upstream version '0.2.1'
with Debian dir 4b98cf559c2be2a001dbedc9894b2431ce1b9373

PKG-INFO

 Metadata-Version: 2.1
 Name: swh.model
-Version: 0.2.0
+Version: 0.2.1
 Summary: Software Heritage data model
 Home-page: https://forge.softwareheritage.org/diffusion/DMOD/
 Author: Software Heritage developers

swh.model.egg-info/PKG-INFO

 Metadata-Version: 2.1
 Name: swh.model
-Version: 0.2.0
+Version: 0.2.1
 Summary: Software Heritage data model
 Home-page: https://forge.softwareheritage.org/diffusion/DMOD/
 Author: Software Heritage developers

swh/model/model.py

@@ -540,7 +540,10 @@ class Content(BaseContent):
     data = attr.ib(type=Optional[bytes], validator=type_validator(), default=None)
 
     ctime = attr.ib(
-        type=Optional[datetime.datetime], validator=type_validator(), default=None
+        type=Optional[datetime.datetime],
+        validator=type_validator(),
+        default=None,
+        eq=False,
     )
 
     @length.validator
@@ -600,7 +603,10 @@ class SkippedContent(BaseContent):
     origin = attr.ib(type=Optional[str], validator=type_validator(), default=None)
 
     ctime = attr.ib(
-        type=Optional[datetime.datetime], validator=type_validator(), default=None
+        type=Optional[datetime.datetime],
+        validator=type_validator(),
+        default=None,
+        eq=False,
     )
 
     @reason.validator

version.txt

-v0.2.0-0-g29312df
\ No newline at end of file
+v0.2.1-0-ga95646f
\ No newline at end of file