diff --git a/git-filter-repo b/git-filter-repo
index ac039ec..7e2a534 100755
--- a/git-filter-repo
+++ b/git-filter-repo
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python

 """
 git-filter-repo filters git repositories, similar to git filter-branch, BFG
diff --git a/t/t9390-filter-repo.sh b/t/t9390-filter-repo.sh
index 14bdeaa..d7f9f1f 100755
--- a/t/t9390-filter-repo.sh
+++ b/t/t9390-filter-repo.sh
@@ -298,7 +298,7 @@ setup_metasyntactic_repo() {
 	)
 }

-test_expect_success '--tag-rename' '
+test_expect_success FUNNYNAMES '--tag-rename' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic tag_rename &&
@@ -317,7 +317,7 @@ test_expect_success '--tag-rename' '
 	)
 '

-test_expect_success '--subdirectory-filter' '
+test_expect_success FUNNYNAMES '--subdirectory-filter' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic subdir_filter &&
@@ -336,7 +336,7 @@ test_expect_success '--subdirectory-filter' '
 	)
 '

-test_expect_success '--subdirectory-filter with trailing slash' '
+test_expect_success FUNNYNAMES '--subdirectory-filter with trailing slash' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic subdir_filter_2 &&
@@ -355,7 +355,7 @@ test_expect_success '--subdirectory-filter with trailing slash' '
 	)
 '

-test_expect_success '--to-subdirectory-filter' '
+test_expect_success FUNNYNAMES '--to-subdirectory-filter' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic to_subdir_filter &&
@@ -375,7 +375,7 @@ test_expect_success '--to-subdirectory-filter' '
 	)
 '

-test_expect_success '--use-base-name' '
+test_expect_success FUNNYNAMES '--use-base-name' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic use_base_name &&
@@ -394,7 +394,7 @@ test_expect_success '--use-base-name' '
 	)
 '

-test_expect_success 'refs/replace/ to skip a parent' '
+test_expect_success FUNNYNAMES 'refs/replace/ to skip a parent' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic replace_skip_ref &&
@@ -416,7 +416,7 @@ test_expect_success 'refs/replace/ to skip a parent' '
 	)
 '

-test_expect_success 'refs/replace/ to add more initial history' '
+test_expect_success FUNNYNAMES 'refs/replace/ to add more initial history' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic replace_add_refs &&
@@ -451,7 +451,7 @@ test_expect_success 'refs/replace/ to add more initial history' '
 	)
 '

-test_expect_success 'creation/deletion/updating of replace refs' '
+test_expect_success FUNNYNAMES 'creation/deletion/updating of replace refs' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic replace_handling &&
@@ -510,7 +510,7 @@ test_expect_success 'creation/deletion/updating of replace refs' '
 	)
 '

-test_expect_success '--debug' '
+test_expect_success FUNNYNAMES '--debug' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic debug &&
@@ -533,7 +533,7 @@ test_expect_success '--debug' '
 	)
 '

-test_expect_success '--dry-run' '
+test_expect_success FUNNYNAMES '--dry-run' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic dry_run &&
@@ -561,7 +561,7 @@ test_expect_success '--dry-run' '
 	)
 '

-test_expect_success '--dry-run --debug' '
+test_expect_success FUNNYNAMES '--dry-run --debug' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic dry_run_debug &&
@@ -589,7 +589,7 @@ test_expect_success '--dry-run --debug' '
 	)
 '

-test_expect_success '--dry-run --stdin' '
+test_expect_success FUNNYNAMES '--dry-run --stdin' '
 	setup_metasyntactic_repo &&
 	(
 		git clone file://"$(pwd)"/metasyntactic dry_run_stdin &&
@@ -892,7 +892,8 @@ test_expect_success '--strip-blobs-with-ids' '
 		grep fake_submodule ../filenames &&

 		# Strip "a certain file" files
-		git filter-repo --strip-blobs-with-ids <(echo deadbeefdeadbeefdeadbeefdeadbeefdeadbeef) &&
+		echo deadbeefdeadbeefdeadbeefdeadbeefdeadbeef >../input &&
+		git filter-repo --strip-blobs-with-ids ../input &&

 		git log --format=%n --name-only | sort | uniq >../filenames &&
 		test_line_count = 10 ../filenames &&
@@ -917,7 +918,7 @@ test_expect_success '--strip-blobs-with-ids' '
 		! grep words/to ../filenames &&
 		! grep capricious ../filenames &&
 		! grep fickle ../filenames &&
-		! grep mercurial ../filenames
+		! grep mercurial ../filenames &&

 		# Remove the temporary auxiliary files
 		rm ../bad-ids &&
