Revert "MAINT: Apply ruff/flake8-bugbear rule B009/B010"

This reverts commit 4ba727f.
This reverts commit 2dfa869.

Author: DimitriPapadopoulos

asv/commands/common_args.py

@@ -210,7 +210,7 @@ def __call__(self, parser, namespace, values, option_string=None):
             items.extend(["existing:same"])
         else:
             items.extend([":" + value for value in values])
-        namespace.env_spec = items
+        setattr(namespace, "env_spec", items)
 
 
 def add_environment(parser, default_same=False):

asv/repo.py

@@ -298,7 +298,7 @@ def get_repo(conf):
 
     if conf.dvcs is not None:
         for cls in util.iter_subclasses(Repo):
-            if cls.dvcs == conf.dvcs:
+            if getattr(cls, 'dvcs') == conf.dvcs:
                 return cls(conf.repo, conf.project)
     else:
         for cls in util.iter_subclasses(Repo):