Travis update: Apr 2019 (Build 118)

[skip ci]

Author: api-librarian

docs/SMS.md

@@ -8,7 +8,7 @@ Name | Type | Description | Notes
 **validity** | **int** | After how many minutes this channel is considered as failed and the next channel is attempted | [optional] [default to 360]
 **autoconvert** | **str** | Defines how non-GSM characters will be treated:    - \"on\" Use replacement settings from the account's [API Auto Replace settings page](https://dashboard.messente.com/api-settings/auto-replace)(default)   - \"full\" All non GSM 03.38 characters will be replaced with suitable alternatives   - \"off\" Message content is not modified in any way | [optional] 
 **udh** | **str** | hex-encoded string containing SMS UDH | [optional] 
-**channel** | **str** |  | [default to 'sms']
+**channel** | **str** |  | [optional] [default to 'sms']
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 

docs/Viber.md

@@ -9,7 +9,7 @@ Name | Type | Description | Notes
 **image_url** | **str** | URL for the embedded image.    Valid combinations:    1) image_url,    2) text, image_url, button_url, button_text | [optional] 
 **button_url** | **str** | URL of the button, must be specified along with ''text'', ''button_text'' and ''image_url'' (optional) | [optional] 
 **button_text** | **str** | Must be specified along with ''text'', ''button_url'', ''button_text'', ''image_url'' (optional) | [optional] 
-**channel** | **str** |  | [default to 'viber']
+**channel** | **str** |  | [optional] [default to 'viber']
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 

docs/WhatsApp.md

@@ -9,7 +9,7 @@ Name | Type | Description | Notes
 **image** | [**WhatsAppImage**](WhatsAppImage.md) |  | [optional] 
 **document** | [**WhatsAppDocument**](WhatsAppDocument.md) |  | [optional] 
 **audio** | [**WhatsAppAudio**](WhatsAppAudio.md) |  | [optional] 
-**channel** | **str** |  | [default to 'whatsapp']
+**channel** | **str** |  | [optional] [default to 'whatsapp']
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 

messente_api/models/sms.py

@@ -69,7 +69,8 @@ def __init__(self, text='Hello world!', sender=None, validity=360, autoconvert=N
             self.autoconvert = autoconvert
         if udh is not None:
             self.udh = udh
-        self.channel = channel
+        if channel is not None:
+            self.channel = channel
 
     @property
     def text(self):
@@ -212,8 +213,6 @@ def channel(self, channel):
         :param channel: The channel of this SMS.  # noqa: E501
         :type: str
         """
-        if channel is None:
-            raise ValueError("Invalid value for `channel`, must not be `None`")  # noqa: E501
         allowed_values = ["sms"]  # noqa: E501
         if channel not in allowed_values:
             raise ValueError(

messente_api/models/viber.py

@@ -75,7 +75,8 @@ def __init__(self, sender=None, validity=360, text=None, image_url=None, button_
             self.button_url = button_url
         if button_text is not None:
             self.button_text = button_text
-        self.channel = channel
+        if channel is not None:
+            self.channel = channel
 
     @property
     def sender(self):
@@ -233,8 +234,6 @@ def channel(self, channel):
         :param channel: The channel of this Viber.  # noqa: E501
         :type: str
         """
-        if channel is None:
-            raise ValueError("Invalid value for `channel`, must not be `None`")  # noqa: E501
         allowed_values = ["viber"]  # noqa: E501
         if channel not in allowed_values:
             raise ValueError(

messente_api/models/whats_app.py

@@ -75,7 +75,8 @@ def __init__(self, sender=None, validity=360, text=None, image=None, document=No
             self.document = document
         if audio is not None:
             self.audio = audio
-        self.channel = channel
+        if channel is not None:
+            self.channel = channel
 
     @property
     def sender(self):
@@ -225,8 +226,6 @@ def channel(self, channel):
         :param channel: The channel of this WhatsApp.  # noqa: E501
         :type: str
         """
-        if channel is None:
-            raise ValueError("Invalid value for `channel`, must not be `None`")  # noqa: E501
         allowed_values = ["whatsapp"]  # noqa: E501
         if channel not in allowed_values:
             raise ValueError(