diff --git a/installer/lib/installer.py b/installer/lib/installer.py
index 40cfcedeb2..e0a72b34aa 100644
--- a/installer/lib/installer.py
+++ b/installer/lib/installer.py
@@ -168,7 +168,7 @@ class Installer:
 
         messages.welcome()
 
-        default_path = os.environ.get('INVOKEAI_ROOT') or Path(root).expanduser().resolve()
+        default_path = os.environ.get("INVOKEAI_ROOT") or Path(root).expanduser().resolve()
         self.dest = default_path if yes_to_all else messages.dest_path(root)
 
         # create the venv for the app
diff --git a/installer/lib/main.py b/installer/lib/main.py
index 4b74f984dc..4f1372652b 100644
--- a/installer/lib/main.py
+++ b/installer/lib/main.py
@@ -16,7 +16,7 @@ if __name__ == "__main__":
         dest="root",
         type=str,
         help="Destination path for installation",
-        default=os.environ.get('INVOKEAI_ROOT') or "~/invokeai",
+        default=os.environ.get("INVOKEAI_ROOT") or "~/invokeai",
     )
     parser.add_argument(
         "-y",
diff --git a/invokeai/frontend/install/model_install.py b/invokeai/frontend/install/model_install.py
index 78dd0f88d0..cdb1d165fd 100644
--- a/invokeai/frontend/install/model_install.py
+++ b/invokeai/frontend/install/model_install.py
@@ -61,6 +61,7 @@ NOPRINT_TRANS_TABLE = {i: None for i in range(0, sys.maxunicode + 1) if not chr(
 # maximum number of installed models we can display before overflowing vertically
 MAX_OTHER_MODELS = 72
 
+
 def make_printable(s: str) -> str:
     """Replace non-printable characters in a string"""
     return s.translate(NOPRINT_TRANS_TABLE)
@@ -298,7 +299,7 @@ class addModelsForm(CyclingForm, npyscreen.FormMultiPage):
 
         if truncation:
             widgets.update(
-                warning_message = self.add_widget_intelligent(
+                warning_message=self.add_widget_intelligent(
                     npyscreen.FixedText,
                     value=f"Too many models to display (max={MAX_OTHER_MODELS}). Some are not displayed.",
                     editable=False,