From 57b8167ead65d62844041ce39dfae90d917bdab5 Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@gmail.com>
Date: Fri, 10 Jan 2025 11:55:21 +0100
Subject: [PATCH] Spec: relax a few type-hints to accept a Sequence

---
 lib/spack/spack/spec.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py
index a508156b9d9..432b9bab2fd 100644
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@@ -67,6 +67,7 @@
     List,
     Match,
     Optional,
+    Sequence,
     Set,
     Tuple,
     Union,
@@ -1018,7 +1019,7 @@ def select(
         parent: Optional[str] = None,
         child: Optional[str] = None,
         depflag: dt.DepFlag = dt.ALL,
-        virtuals: Optional[List[str]] = None,
+        virtuals: Optional[Sequence[str]] = None,
     ) -> List[DependencySpec]:
         """Selects a list of edges and returns them.
 
@@ -1622,12 +1623,12 @@ def edges_from_dependents(
         ]
 
     def edges_to_dependencies(
-        self, name=None, depflag: dt.DepFlag = dt.ALL, *, virtuals: Optional[List[str]] = None
+        self, name=None, depflag: dt.DepFlag = dt.ALL, *, virtuals: Optional[Sequence[str]] = None
     ) -> List[DependencySpec]:
         """Returns a list of edges connecting this node in the DAG to children.
 
         Args:
-            name (str): filter dependencies by package name
+            name: filter dependencies by package name
             depflag: allowed dependency types
             virtuals: allowed virtuals
         """
@@ -1660,7 +1661,7 @@ def dependencies(
         name=None,
         deptype: Union[dt.DepTypes, dt.DepFlag] = dt.ALL,
         *,
-        virtuals: Optional[List[str]] = None,
+        virtuals: Optional[Sequence[str]] = None,
     ) -> List["Spec"]:
         """Returns a list of direct dependencies (nodes in the DAG)