清理多余引用

ShrlAlgoToolkit.RevitAddins/DrawSheet/AdaptiveMEPTagCmd.cs

@@ -2,10 +2,6 @@
 using Autodesk.Revit.DB;
 using Nice3point.Revit.Toolkit.External;
 
-using ShrlAlgoToolkit.RevitAddins.RvView;
-using ShrlAlgoToolkit;
-using ShrlAlgoToolkit.RevitAddins;
-
 namespace ShrlAlgoToolkit.RevitAddins.DrawSheet;
 
 [Transaction(TransactionMode.Manual)]
@@ -31,7 +27,7 @@ public class AdaptiveMEPTagCmd : ExternalCommand
                 if (loc.Curve is Line l)
                 {
                     var ra = l.Direction.AngleTo(XYZ.BasisX);
-                    if (ra > Math.PI / 4 && ra < Math.PI / 4 * 3)
+                    if (ra is > Math.PI / 4 and < Math.PI / 4 * 3)
                     {
                         toRotate.Add(tag);
                     }
@@ -53,7 +49,7 @@ public class AdaptiveMEPTagCmd : ExternalCommand
         }
         catch (Exception)
         {
-
+            // ignored
         }
     }
 }