Cover tmt.steps.prepare.distgit with pyright

pyproject.toml

@@ -237,7 +237,6 @@ ignore = [
     "tmt/steps/discover/*.py",
     "tmt/steps/execute/*.py",
     "tmt/steps/finish/*.py",
-    "tmt/steps/prepare/distgit.py",
     "tmt/steps/prepare/feature.py",
     "tmt/steps/prepare/__init__.py",
     "tmt/steps/prepare/install.py",

tmt/steps/prepare/distgit.py

@@ -13,6 +13,8 @@
 from tmt.utils import Command, Path, field, uniq
 
 if TYPE_CHECKING:
+    import tmt.base
+    import tmt.steps.discover
     import tmt.steps.prepare.install
 
 PREPARE_WRAPPER_FILENAME = 'tmt-prepare-wrapper.sh'
@@ -258,8 +260,8 @@ def go(
             # FIXME needs refactor of Prepare, tmt.base etc...
             # doing quick & dirty injection of prepareinstalls
             for guest in self.step.plan.provision.guests():
-                collected_requires = []
-                collected_recommends = []
+                collected_requires: list['tmt.base.DependencySimple'] = []
+                collected_recommends: list['tmt.base.DependencySimple'] = []
                 for test in self.step.plan.discover.tests(enabled=True):
                     if not test.enabled_on_guest(guest):
                         continue