Black formatting checks to run on PR branch (#417)

* Black formatting checks to run on PR head

* fix the failing lint error

Author: yadavsahil197

.github/workflows/black.yaml

@@ -1,10 +1,11 @@
 name: Black
-on: 
-  pull_request_target:
-    types: [opened, synchronize, reopened]
+on:
+  pull_request:
+    branches:
+      - "main"
   push:
     branches:
-      - '**'
+      - "main"
 
 jobs:
   lint:
@@ -14,4 +15,4 @@ jobs:
       - uses: psf/black@stable
         with:
           options: "--check --verbose"
-          version: "22.3.0"
+          version: "22.3.0"

src/autolabel/database/engine.py

@@ -9,7 +9,7 @@
 # Having one global SQLite database in ~ is a poor idea, since
 # SQLite cannot handle multiple simultaneous writes (if you have
 # several different labeling jobs going on).
-#DB_PATH = join(expanduser("~"), ".autolabel.db")
+# DB_PATH = join(expanduser("~"), ".autolabel.db")
 
 DB_PATH = ".autolabel.db"