Fixed missed self on some of the new constructors

platypush/plugins/assistant/google/__init__.py

@@ -12,7 +12,7 @@ class AssistantGooglePlugin(Plugin):
     backend to programmatically control the conversation status.
     """
 
-    def __init__(*args, **kwargs):
+    def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
     @action

platypush/plugins/assistant/google/pushtotalk.py

@@ -12,7 +12,7 @@ class AssistantGooglePushtotalkPlugin(Plugin):
     :mod:`platypush.backend.assistant.google.pushtotalk` backend.
     """
 
-    def __init__(*args, **kwargs):
+    def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
     @action

platypush/plugins/camera/pi.py

@@ -13,7 +13,7 @@ class CameraPiPlugin(Plugin):
     to programmatically control the status.
     """
 
-    def __init__(*args, **kwargs):
+    def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
     @action

platypush/plugins/gpio/__init__.py

@@ -16,7 +16,7 @@ class GpioPlugin(Plugin):
         * **RPi.GPIO** (`pip install RPi.GPIO`)
     """
 
-    def __init__(*args, **kwargs):
+    def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
     @action

platypush/plugins/http/request/__init__.py

@@ -39,7 +39,7 @@ class HttpRequestPlugin(Plugin):
         }
     """
 
-    def __init__(*args, **kwargs):
+    def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
     def _exec(self, method, url, output='text', **kwargs):