chore: alias datetime as dt for ruff ICN001

Newer ruff (unpinned in CI) flags these two imports, failing check_code_quality.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: tonylampada

roboflow/cli/handlers/project.py

@@ -201,9 +201,9 @@ def _get_project(args):  # noqa: ANN001
         if key in project:
             val = project[key]
             if key in epoch_keys and isinstance(val, (int, float)):
-                import datetime
+                import datetime as dt
 
-                val = datetime.datetime.fromtimestamp(val).strftime("%Y-%m-%d %H:%M:%S")
+                val = dt.datetime.fromtimestamp(val).strftime("%Y-%m-%d %H:%M:%S")
             elif isinstance(val, dict):
                 val = ", ".join(f"{k}: {v}" for k, v in val.items())
             lines.append(f"  {label:12s} {val}")

roboflow/core/project.py

@@ -1,4 +1,4 @@
-import datetime
+import datetime as dt
 import json
 import mimetypes
 import os
@@ -68,7 +68,7 @@ def __init__(self, api_key: str, a_project: dict, model_format: Optional[str] =
             self.annotation = a_project["annotation"]
             self.classes = a_project["classes"]
             self.colors = a_project["colors"]
-            self.created = datetime.datetime.fromtimestamp(a_project["created"])
+            self.created = dt.datetime.fromtimestamp(a_project["created"])
             self.id = a_project["id"]
             self.images = a_project["images"]
             self.name = a_project["name"]
@@ -77,7 +77,7 @@ def __init__(self, api_key: str, a_project: dict, model_format: Optional[str] =
             self.type = a_project["type"]
             self.multilabel = a_project.get("multilabel", False)
             self.unannotated = a_project["unannotated"]
-            self.updated = datetime.datetime.fromtimestamp(a_project["updated"])
+            self.updated = dt.datetime.fromtimestamp(a_project["updated"])
             self.model_format = model_format
 
             temp = self.id.rsplit("/")