Fix CI (#1185)

* Reformat code using black 23.x

* fix compat with tox 4

4 files changed, 3 insertions, 5 deletions

diff --git a/src/OpenSSL/SSL.py b/src/OpenSSL/SSL.py
index dfbd109..c1fb0f5 100644
--- a/src/OpenSSL/SSL.py
+++ b/src/OpenSSL/SSL.py
@@ -1916,7 +1916,6 @@ class Connection:
         buf = _text_to_bytes_and_warn("buf", buf)
 
         with _ffi.from_buffer(buf) as data:
-
             left_to_send = len(buf)
             total_sent = 0
 
diff --git a/src/OpenSSL/crypto.py b/src/OpenSSL/crypto.py
index a9b673c..8b12769 100644
--- a/src/OpenSSL/crypto.py
+++ b/src/OpenSSL/crypto.py
@@ -2556,7 +2556,6 @@ class CRL:
 
 
 class PKCS7:
-
     _pkcs7: Any
 
     def type_is_signed(self) -> bool:
@@ -2920,7 +2919,6 @@ class _PassphraseHelper:
 
     def raise_if_problem(self, exceptionType: Type[Exception] = Error) -> None:
         if self._problems:
-
             # Flush the OpenSSL error queue
             try:
                 _exception_from_error_queue(exceptionType)
diff --git a/tests/test_ssl.py b/tests/test_ssl.py
index a3617c7..bfc5ca8 100644
--- a/tests/test_ssl.py
+++ b/tests/test_ssl.py
@@ -359,11 +359,10 @@ def interact_in_memory(client_conn, server_conn):
 
         # Copy stuff from each side's send buffer to the other side's
         # receive buffer.
-        for (read, write) in [
+        for read, write in [
             (client_conn, server_conn),
             (server_conn, client_conn),
         ]:
-
             # Give the side a chance to generate some more bytes, or succeed.
             try:
                 data = read.recv(2**16)
diff --git a/tox.ini b/tox.ini
index 374ac2c..5e00317 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,8 @@ passenv =
     PATH
     LD_LIBRARY_PATH
     TERM
+    RUSTUP_TOOLCHAIN
+    RUSTUP_HOME
 extras =
     test
 deps =