fix flake8 nits

stackinator/recipe.py

@@ -302,13 +302,13 @@ def generate_environment_specs(self, raw):
         # An awkward hack to work around spack not supporting creating activation
         # scripts for each file system view in an environment: it only generates them
         # for the "default" view.
-        # The workaround is to create multiple versions of the same environment, one for
-        # each view.
-        # TODO: remove when the minimum supported version of spack is v0.21, in which this
-        # issue was fixed, see https://github.com/spack/spack/pull/40549
-        # we have a `--develop` workaround that uses the current approach of generating a
-        # separate environment for each view, with a view named "default", and uses the name
-        # default to generated the activation script.
+        # The workaround is to create multiple versions of the same environment, one
+        # for each view.
+        # TODO: remove when the minimum supported version of spack is v0.21, in which
+        # this issue was fixed, see https://github.com/spack/spack/pull/40549
+        # we have a `--develop` workaround that uses the current approach of generating
+        # a separate environment for each view, with a view named "default", and uses
+        # the name default to generated the activation script.
         env_names = set()
         env_name_map = {}
         for name, config in environments.items():