--- a/tests/e2e/run_e2e.py	Fri Sep 06 18:07:44 2024 +0200
+++ b/tests/e2e/run_e2e.py	Thu Sep 26 16:11:56 2024 +0200
@@ -30,6 +30,7 @@
 from libervia.backend.core import exceptions
 from libervia.backend.tools.common import regex
 import yaml
+
 try:
     from yaml import CLoader as Loader, CDumper as Dumper
 except ImportError:
@@ -43,7 +44,8 @@
 OPT_VISUAL = "--visual"
 OPT_DEV_MODE = "--dev-mode"
 
-dev_mode_inst = dedent("""\
+dev_mode_inst = dedent(
+    """\
     Here is a short script to start working with a logged account:
 
     from helium import *
@@ -52,7 +54,8 @@
     write("account1", "login")
     write("test", "password")
     click("log in")
-    """)
+    """
+)
 report_buffer = io.StringIO()
 live_out_buf = []
 live_err_buf = []
@@ -63,7 +66,7 @@
         # we may get bytes when buffer is reached and we are in the middle of an unicode
         # sequence. In this case we buffer it, and print it when it's complete
         if isinstance(data, str):
-            data = b''.join(live_out_buf).decode() + data
+            data = b"".join(live_out_buf).decode() + data
             live_out_buf.clear()
         else:
             live_out_buf.append(data)
@@ -80,7 +83,7 @@
 def live_err(data):
     if live_err_buf:
         if isinstance(data, str):
-            data = b''.join(live_err_buf).decode() + data
+            data = b"".join(live_err_buf).decode() + data
             live_err_buf.clear()
         else:
             live_err_buf.append(data)
@@ -111,22 +114,24 @@
     environment = override["services"]["backend"].setdefault("environment", {})
     environment[name] = value
 
+
 def write_report_log(path, log_raw, with_ansi=False):
     log_raw = str(log_raw)
     if with_ansi:
         # we save 2 versions: one with ANSI escape codes
         report_ansi = path.with_suffix(".ansi")
-        with report_ansi.open('w') as f:
+        with report_ansi.open("w") as f:
             f.write(log_raw)
         # and one cleaner, without them
         report_log = path.with_suffix(".log")
-        with report_log.open('w') as f:
-            f.write(regex.RE_ANSI_REMOVE.sub('', log_raw))
+        with report_log.open("w") as f:
+            f.write(regex.RE_ANSI_REMOVE.sub("", log_raw))
     else:
         report_log = path.with_suffix(".log")
-        with report_log.open('w') as f:
+        with report_log.open("w") as f:
             f.write(log_raw)
 
+
 def use_e2e_env():
     rev = os.getenv("DOCKER_LIBERVIA_REV", "dev")
     print(f"Running tests for Libervia {rev}")
@@ -181,7 +186,8 @@
     with tempfile.TemporaryDirectory(prefix="libervia_test_e2e_") as temp_dir:
         override_path = Path(temp_dir) / "test_override.yml"
         override = yaml.load(
-            dedent(f"""\
+            dedent(
+                f"""\
                 version: "3.6"
                 services:
                   backend:
@@ -205,8 +211,8 @@
                         target: {libervia_templates_target}
                         read_only: true
                 """
-                   ),
-            Loader=Loader
+            ),
+            Loader=Loader,
         )
 
         if keep_profiles:
@@ -222,24 +228,35 @@
             yaml.dump(override, f, Dumper=Dumper)
 
         docker_compose = sh.docker_compose.bake(
-            "-f", compose_e2e_path, "-f", override_path)
+            "-f", compose_e2e_path, "-f", override_path
+        )
         docker_compose.up("-d")
 
         p = docker_compose.exec(
-            "--workdir", "/src/libervia-backend/tests", "backend",
-            "pytest", "-o", "cache_dir=/tmp", *sys.argv[1:], color="yes",
-            _in=sys.stdin, _out=live_out, _out_bufsize=0, _err=live_err, _err_bufsize=0,
-            _bg=True
+            "--workdir",
+            "/src/libervia-backend/tests",
+            "backend",
+            "pytest",
+            "-o",
+            "cache_dir=/tmp",
+            *sys.argv[1:],
+            color="yes",
+            _in=sys.stdin,
+            _out=live_out,
+            _out_bufsize=0,
+            _err=live_err,
+            _err_bufsize=0,
+            _bg=True,
         )
         if visual:
-            vnc_port = docker_compose.port("backend", "5900").split(':', 1)[1].strip()
+            vnc_port = docker_compose.port("backend", "5900").split(":", 1)[1].strip()
             p_vnc = sh.vncviewer(
                 f"localhost:{vnc_port}",
                 _bg=True,
                 # vncviewer exits with 1 when we send an SIGTERM to it, and it's printed
                 # before we can catch it (it's happening in a thread). Thus we set exit
                 # code 1 as OK to avoid the backtrace.
-                _ok_code=[0, 1]
+                _ok_code=[0, 1],
             )
         else:
             p_vnc = None
@@ -254,17 +271,13 @@
             # with `isoformat()`.
             sh.docker.cp(f"{libervia_cont_id}:/reports", f"./{report_dest}")
             write_report_log(
-                report_dest/"report",
-                report_buffer.getvalue(),
-                with_ansi=True
+                report_dest / "report", report_buffer.getvalue(), with_ansi=True
             )
             write_report_log(
-                report_dest/"backend",
-                docker_compose.logs("--no-log-prefix", "backend")
+                report_dest / "backend", docker_compose.logs("--no-log-prefix", "backend")
             )
             write_report_log(
-                report_dest/"web",
-                docker_compose.logs("--no-log-prefix", "web")
+                report_dest / "web", docker_compose.logs("--no-log-prefix", "web")
             )
             print(f"report saved to {report_dest}")
             sys.exit(e.exit_code)