[libc++] Remove unused Python imports (#73724)

VSCode's Pylance extension informed me, and text searching confirmed,
that these imports are unused. I believe we should be able to remove
them harmlessly.

14 files changed, 5 insertions, 20 deletions

diff --git a/libcxx/test/libcxx/transitive_includes_to_csv.py b/libcxx/test/libcxx/transitive_includes_to_csv.py
index 8ba9497..3ce2802 100755
--- a/libcxx/test/libcxx/transitive_includes_to_csv.py
+++ b/libcxx/test/libcxx/transitive_includes_to_csv.py
@@ -7,7 +7,7 @@
 #
 # ===----------------------------------------------------------------------===##
 
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from typing import List  # Needed for python 3.8 compatibility.
 import argparse
 import pathlib
diff --git a/libcxx/utils/adb_run.py b/libcxx/utils/adb_run.py
index b54198f..dc15b51 100755
--- a/libcxx/utils/adb_run.py
+++ b/libcxx/utils/adb_run.py
@@ -18,7 +18,7 @@ import shlex
 import socket
 import subprocess
 import sys
-from typing import List, Optional, Tuple
+from typing import List, Tuple
 
 
 # Sync a host file /path/to/dir/file to ${REMOTE_BASE_DIR}/run-${HASH}/dir/file.
diff --git a/libcxx/utils/gdb/libcxx/printers.py b/libcxx/utils/gdb/libcxx/printers.py
index 251761a..3f39232 100644
--- a/libcxx/utils/gdb/libcxx/printers.py
+++ b/libcxx/utils/gdb/libcxx/printers.py
@@ -12,7 +12,6 @@ These should work for objects compiled with either the stable ABI or the unstabl
 
 from __future__ import print_function
 
-import math
 import re
 import gdb
 
diff --git a/libcxx/utils/generate_escaped_output_table.py b/libcxx/utils/generate_escaped_output_table.py
index 09e186c..8588570 100755
--- a/libcxx/utils/generate_escaped_output_table.py
+++ b/libcxx/utils/generate_escaped_output_table.py
@@ -15,7 +15,7 @@
 
 from io import StringIO
 from pathlib import Path
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from typing import Optional
 import re
 import sys
diff --git a/libcxx/utils/generate_extended_grapheme_cluster_table.py b/libcxx/utils/generate_extended_grapheme_cluster_table.py
index 0050998..6f2c4f3 100755
--- a/libcxx/utils/generate_extended_grapheme_cluster_table.py
+++ b/libcxx/utils/generate_extended_grapheme_cluster_table.py
@@ -15,7 +15,7 @@
 
 from io import StringIO
 from pathlib import Path
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from typing import Optional
 import re
 import sys
diff --git a/libcxx/utils/generate_extended_grapheme_cluster_test.py b/libcxx/utils/generate_extended_grapheme_cluster_test.py
index 6714b22..e0a6003 100755
--- a/libcxx/utils/generate_extended_grapheme_cluster_test.py
+++ b/libcxx/utils/generate_extended_grapheme_cluster_test.py
@@ -16,7 +16,6 @@
 from pathlib import Path
 from dataclasses import dataclass, field
 from typing import Optional, TextIO
-from array import array
 import sys
 
 
diff --git a/libcxx/utils/generate_std_clang_module_header.py b/libcxx/utils/generate_std_clang_module_header.py
index afdc9f6..33c9acf 100644
--- a/libcxx/utils/generate_std_clang_module_header.py
+++ b/libcxx/utils/generate_std_clang_module_header.py
@@ -6,7 +6,6 @@
 #
 # ===----------------------------------------------------------------------===##
 
-import operator
 import os.path
 
 import libcxx.header_information
diff --git a/libcxx/utils/generate_std_cppm_in.py b/libcxx/utils/generate_std_cppm_in.py
index 522f1dd..2421347 100644
--- a/libcxx/utils/generate_std_cppm_in.py
+++ b/libcxx/utils/generate_std_cppm_in.py
@@ -6,7 +6,6 @@
 #
 # ===----------------------------------------------------------------------===##
 
-import operator
 import os.path
 
 from libcxx.header_information import module_headers
diff --git a/libcxx/utils/generate_width_estimation_table.py b/libcxx/utils/generate_width_estimation_table.py
index 8739cf6..76b70f1 100644
--- a/libcxx/utils/generate_width_estimation_table.py
+++ b/libcxx/utils/generate_width_estimation_table.py
@@ -15,7 +15,7 @@
 
 from io import StringIO
 from pathlib import Path
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from typing import Optional
 import re
 import sys
diff --git a/libcxx/utils/graph_header_deps.py b/libcxx/utils/graph_header_deps.py
index bb5889f..6c4bd2a 100755
--- a/libcxx/utils/graph_header_deps.py
+++ b/libcxx/utils/graph_header_deps.py
@@ -8,7 +8,6 @@
 # ===----------------------------------------------------------------------===##
 
 import argparse
-import sys
 
 if __name__ == "__main__":
     """Converts a header dependency CSV file to Graphviz dot file.
diff --git a/libcxx/utils/libcxx/test/android.py b/libcxx/utils/libcxx/test/android.py
index 29c6815..a40305b 100644
--- a/libcxx/utils/libcxx/test/android.py
+++ b/libcxx/utils/libcxx/test/android.py
@@ -6,8 +6,6 @@
 #
 #===----------------------------------------------------------------------===##
 
-import atexit
-import os
 import re
 import select
 import socket
diff --git a/libcxx/utils/libcxx/test/dsl.py b/libcxx/utils/libcxx/test/dsl.py
index 5d4ca83..387862a 100644
--- a/libcxx/utils/libcxx/test/dsl.py
+++ b/libcxx/utils/libcxx/test/dsl.py
@@ -10,9 +10,7 @@ import os
 import pickle
 import pipes
 import platform
-import re
 import shutil
-import subprocess
 import tempfile
 
 import libcxx.test.format
diff --git a/libcxx/utils/libcxx/test/format.py b/libcxx/utils/libcxx/test/format.py
index 52c6f9c..5eb17d4 100644
--- a/libcxx/utils/libcxx/test/format.py
+++ b/libcxx/utils/libcxx/test/format.py
@@ -6,14 +6,10 @@
 #
 # ===----------------------------------------------------------------------===##
 
-import contextlib
-import io
 import lit
 import lit.formats
 import os
-import pipes
 import re
-import shutil
 
 
 def _getTempPaths(test):
diff --git a/libcxx/utils/qemu_baremetal.py b/libcxx/utils/qemu_baremetal.py
index c509c8b..aaf5b84 100755
--- a/libcxx/utils/qemu_baremetal.py
+++ b/libcxx/utils/qemu_baremetal.py
@@ -15,8 +15,6 @@ output (if the underlying baremetal enviroment supports QEMU semihosting).
 
 import argparse
 import os
-import platform
-import subprocess
 import sys