diff --git a/.github/workflows/tox.yaml b/.github/workflows/tox.yaml
index f816bf25..a7ac2e6c 100644
--- a/.github/workflows/tox.yaml
+++ b/.github/workflows/tox.yaml
@@ -26,10 +26,10 @@ jobs:
             toxenv: py310-core
           - python-version: "3.10"
             toxenv: py310-integration
-          - python-version: "3.11"
-            toxenv: py311-core
-          - python-version: "3.11"
-            toxenv: py311-integration
+          # - python-version: "3.11"
+          #   toxenv: py311-core
+          # - python-version: "3.11"
+          #   toxenv: py311-integration
 
     steps:
     - uses: actions/checkout@v2
diff --git a/pretix_eth/exporter.py b/pretix_eth/exporter.py
index 850c57eb..a867b340 100644
--- a/pretix_eth/exporter.py
+++ b/pretix_eth/exporter.py
@@ -65,7 +65,7 @@ def payment_to_row(payment):
         completion_date,
         payment.state,
         fiat_amount,
-        Web3.fromWei(int(token_amount), 'ether'),
+        Web3.from_wei(int(token_amount), 'ether'),
         currency_type,
         sender_address,
         recipient_address,
@@ -74,6 +74,7 @@ def payment_to_row(payment):
         token_address,
         token_rate,
     ]
+
     return row
 
 
diff --git a/pretix_eth/management/commands/confirm_payments.py b/pretix_eth/management/commands/confirm_payments.py
index 79ff1805..a6dd6952 100644
--- a/pretix_eth/management/commands/confirm_payments.py
+++ b/pretix_eth/management/commands/confirm_payments.py
@@ -120,7 +120,7 @@ def confirm_payments_for_event(self, event: Event, no_dry_run, log_verbosity=0):
                             f" hash={signed_message.transaction_hash} not found,"
                             f" skipping."
                         )
-                    if signed_message.age > order_payment.payment_provider.settings.PAYMENT_NOT_RECIEVED_RETRY_TIMEOUT:
+                    if signed_message.age > order_payment.payment_provider.settings.PAYMENT_NOT_RECIEVED_RETRY_TIMEOUT:  # noqa: E501
                         signed_message.invalidate()
                     continue
 
diff --git a/pretix_eth/network/tokens.py b/pretix_eth/network/tokens.py
index 2adf39f1..378b740a 100644
--- a/pretix_eth/network/tokens.py
+++ b/pretix_eth/network/tokens.py
@@ -428,7 +428,6 @@ def payment_instructions(
         }
 
 
-
 class ETHArbitrum(Arbitrum):
     """
     Ethereum on Arbitrum mainnet Network
diff --git a/pretix_eth/payment.py b/pretix_eth/payment.py
index a47116b3..644f20ba 100644
--- a/pretix_eth/payment.py
+++ b/pretix_eth/payment.py
@@ -116,17 +116,18 @@ def settings_form_fields(self):
                         label=_("Payment retry timeout in seconds"),
                         help_text=_(
                             "Customers will be allowed to pay again after their previous payment "
-                            "hasn't arrived for a given time. 1800s (30min) is a reasonable starting value"
+                            "hasn't arrived for a given time. 1800s (30min) is a reasonable starting value"  # noqa: E501
                         ),
-                        initial=30*60,
+                        initial=30 * 60,
                     )
                 ),
                 (
                     "SAFETY_BLOCK_COUNT",
                     forms.IntegerField(
-                        label=_("Number of blocks to be mined after a transaction for it to be considered accepted by the chain."),
+                        label=_(
+                            "Number of blocks to be mined after a transaction for it to be considered accepted by the chain."),  # noqa: E501
                         help_text=_(
-                            "Higher value means better protection from (hypothetical) double spending attacks, "
+                            "Higher value means better protection from (hypothetical) double spending attacks, "  # noqa: E501
                             "at the cost of payment confirmation latency."
                         ),
                         initial=5,