make `flake8` happy

src/ZODB/scripts/zodbload.py

@@ -227,7 +227,7 @@ def VmSize():
     except:  # noqa: E722 do not use bare 'except'
         return 0
     else:
-        l_ = list(filter(lambda l: l[:7] == 'VmSize:', lines))
+        l_ = list(filter(lambda l: l[:7] == 'VmSize:', lines))  # noqa: E741
         if l_:
             l_ = l_[0][7:].strip().split()[0]
             return int(l_)

src/ZODB/tests/racetest.py

@@ -536,4 +536,3 @@ class Daemon(threading.Thread):
         super(Daemon, self).join(*args, **kw)
         if self.is_alive():
             raise AssertionError("Thread %s did not stop" % self.name)
-