Minor tweaks in tool-init

just an import and a precautionary "str" conversion

Signed-off-by: Mats Wichmann <mats@linux.com>

Author: mwichmann

CHANGES.txt

@@ -60,6 +60,8 @@ RELEASE  VERSION/DATE TO BE FILLED IN LATER
     - Additional small tweaks to Environment.py type hints, fold some overly
       long function signature lines, and some linting-insipired cleanups.
     - Test framework: tweak module docstrings
+    - Don't duplicate the cration of Tool objects if "default" is part of
+      the tool list.
 
 
 RELEASE 4.10.1 - Sun, 16 Nov 2025 10:51:57 -0700

RELEASE.txt

@@ -62,6 +62,9 @@ long function signature lines, and some linting-insipired cleanups.
 
 - Test framework: tweak module docstrings
 
+- Don't duplicate the cration of Tool objects if "default" is part of
+  the tool list.
+
 
 PACKAGING
 ---------

SCons/Tool/__init__.py

@@ -55,6 +55,7 @@
 import os
 import importlib.util
 
+import SCons.Action
 import SCons.Builder
 import SCons.Errors
 import SCons.Node.FS
@@ -288,7 +289,7 @@ def __call__(self, env, *args, **kw) -> None:
                 kw.update(call_kw)
             else:
                 kw = self.init_kw
-        env.AppendUnique(TOOLS=[self.name])
+        env.AppendUnique(TOOLS=[str(self.name)])
         if hasattr(self, 'options'):
             import SCons.Variables
             if 'options' not in env: