- fixed argv[0] not being passed as a str when executing a script;

src/slipcover/__main__.py

@@ -222,7 +222,7 @@ def printit(coverage, outfile):
         script_globals['__name__'] = '__main__'
         script_globals['__file__'] = args.script
 
-        sys.argv = [args.script, *args.script_or_module_args]
+        sys.argv = [str(args.script), *args.script_or_module_args]
 
         # the 1st item in sys.path is always the main script's directory
         sys.path.pop(0)

tests/test_importer.py

@@ -1,6 +1,7 @@
 import pytest
 import slipcover.importer as im
 from pathlib import Path
+import subprocess
 
 import sys
 
@@ -276,3 +277,13 @@ def test():
 
     p = subprocess.run([sys.executable, "-m", "slipcover", "--silent", "-m", "pytest", "-vv", cmdfile])
     assert p.returncode == 0
+
+
+def test_run_script_argv_is_str(tmp_path):
+    cmdfile = tmp_path / "t.py"
+    cmdfile.write_text("""
+import sys
+assert isinstance(sys.argv[0], str)
+""")
+
+    subprocess.run([sys.executable, "-m", "slipcover", "--silent", cmdfile], check=True)