fixup! Move local imports to module level in sampling profiler

Keep curses import as a local import in sample_live() since curses
is not available on Windows. The original code had this as a local
import to avoid breaking Windows tests that import the module.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: pablogsal

Lib/profiling/sampling/sample.py

@@ -1,6 +1,5 @@
 import _remote_debugging
 import contextlib
-import curses
 import os
 import statistics
 import sys
@@ -460,6 +459,8 @@ def sample_live(
     Returns:
         The collector with collected samples
     """
+    import curses
+
     # Check if process is alive before doing any heavy initialization
     if not _is_process_running(pid):
         print(f"No samples collected - process {pid} exited before profiling could begin.", file=sys.stderr)