Update the documentation to reflect the use of the black code style

docs/architecture/events.rst

@@ -90,8 +90,7 @@ To send an event, simply do the following:
   from saleor.order import events
 
   # returns an OrderEvent
-  events.note_added_event(
-      order=order, user=user, message='hello world!')
+  events.note_added_event(order=order, user=user, message="hello world!")
 
 If now you want to send a 'sent email' event you would do the following:
 
@@ -100,8 +99,10 @@ If now you want to send a 'sent email' event you would do the following:
   from saleor.order import events
 
   events.email_sent_event(
-      order=order, user=user,
-      email_type=events.OrderEventsEmails.TRACKING_UPDATED)
+      order=order,
+      user=user,
+      email_type=events.OrderEventsEmails.TRACKING_UPDATED,
+  )
 
 Notice how we are providing the email type.
 

docs/architecture/money.rst

@@ -22,7 +22,7 @@ Money and TaxedMoney
 
 In Saleor's codebase, money amounts exist either as `Money` or `TaxedMoney` instances.
 
-`Money` is a type representing amount of money in specific currency: 100 USD is represented by `Money(100, 'USD')`.
+`Money` is a type representing amount of money in specific currency: 100 USD is represented by `Money(100, "USD")`.
 This type doesn't hold any additional information useful for commerce but, unlike `Decimal`, it implements safeguards and checks for calculations and comparisons of monetary values.
 
 Money amounts are stored on model using `MoneyField` that provides its own safechecks on currency and precision of stored amount.

docs/architecture/translations.rst

@@ -63,12 +63,15 @@ We will use ``ProductTranslation``  to store our translated properties, it requi
    class ProductTranslation(models.Model):
        language_code = models.CharField(max_length=10)
        product = models.ForeignKey(
-           Product, related_name='translations', on_delete=models.CASCADE)
+           Product,
+           related_name="translations",
+           on_delete=models.CASCADE,
+       )
        name = models.CharField(max_length=128)
        description = models.CharField(max_length=256)
 
        class Meta:
-           unique_together = ('product', 'language_code')
+           unique_together = ("product", "language_code")
 
 .. note:: Don't forget to set ``unique_together`` on the ``product`` and ``language_code``, there should be only one translation per product per language.
 

docs/guides/payments.rst

@@ -39,8 +39,8 @@ Example
 
 .. note::
 
-    All the below methods receive ``payment_information`` as a dataclass: ``PaymentData``. 
-    Methods should return a response as a dataclass: ``GatewayResponse``. 
+    All the below methods receive ``payment_information`` as a dataclass: ``PaymentData``.
+    Methods should return a response as a dataclass: ``GatewayResponse``.
     The description of the given structures can be found below.
 
 
@@ -57,7 +57,8 @@ Example
 
     def authorize(
             payment_information: PaymentData,
-            connection_params: Dict) -> GatewayResponse:
+            connection_params: Dict,
+    ) -> GatewayResponse:
 
         # Handle connecting to the gateway and sending the auth request here
         response = gateway.authorize(token=payment_information.token)
@@ -86,7 +87,8 @@ Example
 
     def refund(
             payment_information: PaymentData,
-            **connection_params: Dict) -> GatewayResponse:
+            **connection_params: Dict,
+        ) -> GatewayResponse:
 
         # Handle connecting to the gateway and sending the refund request here
         response = gateway.refund(token=payment_information.token)
@@ -115,7 +117,8 @@ Example
 
     def capture(
             payment_information: PaymentData,
-            connection_params: Dict) -> GatewayResponse:
+            connection_params: Dict,
+        ) -> GatewayResponse:
 
         # Handle connecting to the gateway and sending the capture request here
         response = gateway.capture(token=payment_information.token)
@@ -144,7 +147,8 @@ Example
 
     def void(
             payment_information: PaymentData,
-            connection_params: Dict) -> GatewayResponse:
+            connection_params: Dict,
+        ) -> GatewayResponse:
 
         # Handle connecting to the gateway and sending the void request here
         response = gateway.void(token=payment_information.token)
@@ -173,7 +177,8 @@ Example
 
     def charge(
             payment_information: PaymentData,
-            connection_params: Dict) -> GatewayResponse:
+            connection_params: Dict,
+        ) -> GatewayResponse:
 
         # Handle connecting to the gateway and sending the charge request here
         response = gateway.charge(
@@ -206,7 +211,8 @@ Example
 
     def process_payment(
             payment_information: PaymentData,
-            connection_params: Dict) -> GatewayResponse:
+            connection_params: Dict,
+        ) -> GatewayResponse:
 
         # Authorize, update the token, then capture
         authorize_response = authorize(
@@ -348,7 +354,7 @@ Example
         payment_method_nonce = forms.CharField()
 
         def get_payment_token(self):
-            return self.cleaned_data['payment_method_nonce']
+            return self.cleaned_data["payment_method_nonce"]
 
 Implement create_form(data, payment_information, connection_params)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -365,7 +371,10 @@ Example
 
         def create_form(data, payment_information, connection_params):
             return BraintreePaymentForm(
-                data, payment_information, connection_params)
+                data,
+                payment_information,
+                connection_params,
+            )
 
 
 Implement TEMPLATE_PATH
@@ -378,7 +387,7 @@ Example
 
     .. code-block:: python
 
-        TEMPLATE_PATH = 'order/payment/braintree.html'
+        TEMPLATE_PATH = "order/payment/braintree.html"
 
 Add template
 ^^^^^^^^^^^^
@@ -393,13 +402,13 @@ Adding new payment gateway to the settings
 .. code-block:: python
 
     PAYMENT_GATEWAYS = {
-        'braintree': {
-            'module': 'saleor.payment.gateways.braintree',
-            'connection_params': {
-                'sandbox_mode': get_bool_from_env('BRAINTREE_SANDBOX_MODE', True),
-                'merchant_id': os.environ.get('BRAINTREE_MERCHANT_ID'),
-                'public_key': os.environ.get('BRAINTREE_PUBLIC_KEY'),
-                'private_key': os.environ.get('BRAINTREE_PRIVATE_KEY')
+        "braintree": {
+            "module": "saleor.payment.gateways.braintree",
+            "connection_params": {
+                "sandbox_mode": get_bool_from_env("BRAINTREE_SANDBOX_MODE", True),
+                "merchant_id": os.environ.get("BRAINTREE_MERCHANT_ID"),
+                "public_key": os.environ.get("BRAINTREE_PUBLIC_KEY"),
+                "private_key": os.environ.get("BRAINTREE_PRIVATE_KEY"),
             }
         }
     }
@@ -440,4 +449,3 @@ Tips
   In such case, you might want to charge the customer 70 dollars, but due
   to gateway misconfiguration, he will be charged 70 euros.
   Such a situation should be handled, and adequate error should be thrown.
-