diff -rupN --no-dereference angle-57ea533/DEPS angle-57ea533-new/DEPS
--- angle-57ea533/DEPS	2017-11-29 00:33:41.000000000 +0100
+++ angle-57ea533-new/DEPS	2021-01-15 23:27:20.780586358 +0100
@@ -128,7 +128,7 @@ hooks = [
     # Note: On Win, this should run after win_toolchain, as it may use it.
     'name': 'clang',
     'pattern': '.',
-    'action': ['python', 'tools/clang/scripts/update.py', '--if-needed'],
+    'action': ['python3', 'tools/clang/scripts/update.py', '--if-needed'],
   },
 
   # Pull rc binaries using checked-in hashes.
@@ -147,7 +147,7 @@ hooks = [
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     'pattern': '.',
-    'action': ['python', 'gyp/gyp_angle'],
+    'action': ['python3', 'gyp/gyp_angle'],
   },
 ]
 
diff -rupN --no-dereference angle-57ea533/src/angle.gyp angle-57ea533-new/src/angle.gyp
--- angle-57ea533/src/angle.gyp	2017-11-29 00:33:41.000000000 +0100
+++ angle-57ea533-new/src/angle.gyp	2021-01-15 23:27:20.781586358 +0100
@@ -11,7 +11,7 @@
         'angle_id_script': '<(angle_gen_path)/<(angle_id_script_base)',
         'angle_id_header_base': 'commit.h',
         'angle_id_header': '<(angle_gen_path)/id/<(angle_id_header_base)',
-        'angle_use_commit_id%': '<!(python <(angle_id_script_base) check ..)',
+        'angle_use_commit_id%': '<!(python3 <(angle_id_script_base) check ..)',
         'angle_enable_d3d9%': 0,
         'angle_enable_d3d11%': 0,
         'angle_enable_gl%': 0,
@@ -385,7 +385,7 @@
                             'msvs_cygwin_shell': 0,
                             'action':
                             [
-                                'python', '<(angle_id_script)', 'gen', '<(angle_path)', '<(angle_id_header)'
+                                'python3', '<(angle_id_script)', 'gen', '<(angle_path)', '<(angle_id_header)'
                             ],
                         },
                     ],
diff -rupN --no-dereference angle-57ea533/src/tests/tests.gyp angle-57ea533-new/src/tests/tests.gyp
--- angle-57ea533/src/tests/tests.gyp	2017-11-29 00:33:41.000000000 +0100
+++ angle-57ea533-new/src/tests/tests.gyp	2021-01-15 23:27:20.781586358 +0100
@@ -278,7 +278,7 @@
                                     ],
                                     'action':
                                     [
-                                        'python',
+                                        'python3',
                                         '<(gles_conformance_tests_generator_script)',
                                         '<(gles2_conformance_tests_input_file)',
                                         '<(gles_conformance_tests_input_dir)',
@@ -345,7 +345,7 @@
                                     ],
                                     'action':
                                     [
-                                        'python',
+                                        'python3',
                                         '<(gles_conformance_tests_generator_script)',
                                         '<(gles3_conformance_tests_input_file)',
                                         '<(gles_conformance_tests_input_dir)',