Only import 'pty' after checking that we're not on Windows

Author: HugoGGuerrier

testsuite/drivers/base_driver.py

@@ -2,7 +2,6 @@
 import glob
 import os
 import os.path as P
-import pty
 import re
 import select
 import subprocess
@@ -288,6 +287,10 @@ def run_in_tty(self, args: list[str], **kwargs) -> tuple[str, int]:
                 "Cannot run a pseudo-TTY on Windows systems"
             )
 
+        # Only import ``pty`` after checking that we are not on a Windows
+        # system.
+        import pty
+
         # Ensure the process is run in the testsuite working dir
         if not kwargs.get("cwd"):
             kwargs["cwd"] = self.working_dir()