Run mypy without --no-strict-optional

https://mypy.readthedocs.io/en/stable/kinds_of_types.html#no-strict-optional

.pre-commit-config.yaml

@@ -4,15 +4,15 @@
 
 repos:
   - repo: https://github.com/psf/black
-    rev: 22.1.0
+    rev: 22.3.0
     hooks:
       - id: black
   - repo: https://github.com/asottile/pyupgrade
     rev: v2.31.1
     hooks:
       - id: pyupgrade
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v2.6.0
+    rev: v2.6.2
     hooks:
       - id: prettier
   - repo: https://github.com/pre-commit/pre-commit-hooks
@@ -38,10 +38,10 @@ repos:
           - --max-line-length=100
           - --per-file-ignores=files/packit.wsgi:F401,E402
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.941
+    rev: v0.942
     hooks:
       - id: mypy
-        args: [--no-strict-optional, --ignore-missing-imports]
+        args: [--ignore-missing-imports]
         additional_dependencies: [types-pkg_resources]
   - repo: https://github.com/packit/pre-commit-hooks
     rev: 3bf9afc5ede12a4ee26e9451f306edf255749396

hardly/__init__.py

@@ -7,4 +7,4 @@
     __version__ = get_distribution(__name__).version
 except DistributionNotFound:
     # package is not installed
-    __version__ = None
+    __version__ = ""

hardly/handlers/distgit.py

@@ -41,15 +41,15 @@ def __init__(
             job_config=job_config,
             event=event,
         )
-        self.mr_identifier = event.get("identifier")
-        self.mr_title = event.get("title")
-        self.mr_description = event.get("description")
-        self.mr_url = event.get("url")
-        self.source_project_url = event.get("source_project_url")
+        self.mr_identifier = event["identifier"]
+        self.mr_title = event["title"]
+        self.mr_description = event["description"]
+        self.mr_url = event["url"]
+        self.source_project_url = event["source_project_url"]
         self.target_repo = (
-            event.get("target_repo_namespace") + "/" + event.get("target_repo_name")
+            f"{event['target_repo_namespace']}/{event['target_repo_name']}"
         )
-        self.target_repo_branch = event.get("target_repo_branch")
+        self.target_repo_branch = event["target_repo_branch"]
 
     def run(self) -> TaskResults:
         """
@@ -84,7 +84,7 @@ def run(self) -> TaskResults:
         dg_mr_info = f"""###### Info for package maintainer
 This MR has been automatically created from
 [this source-git MR]({self.mr_url})."""
-        if getenv("PROJECT") and getenv("PROJECT").startswith("stream"):
+        if getenv("PROJECT", "").startswith("stream"):
             dg_mr_info += """
 Please review the contribution and once you are comfortable with the content,
 you should trigger a CI pipeline run via `Pipelines → Run pipeline`."""