diff --git a/spaceapi/__init__.py b/spaceapi/__init__.py
--- a/spaceapi/__init__.py
+++ b/spaceapi/__init__.py
@@ -7,46 +7,48 @@ from flask import Flask
 
 config_file = os.path.abspath('config.json')
 
+
 def create_app():
-	app = Flask(__name__)
+    app = Flask(__name__)
 
-	_default_secret_key = base64.b64encode(os.urandom(32)).decode('utf-8')
-	app.config['SECRET_KEY'] = os.environ.get('SECRET_KEY', _default_secret_key)
+    _default_secret_key = base64.b64encode(os.urandom(32)).decode('utf-8')
+    app.config['SECRET_KEY'] = os.environ.get('SECRET_KEY',
+                                              _default_secret_key)
 
-	if not hasattr(app.config, 'from_json'):
-		def from_json(file, silent=True):
-			try:
-				with open(file, encoding='utf-8') as json_file:
-					obj = json.load(json_file)
-			except IOError:
-				if silent:
-					return False
-				raise
+    if not hasattr(app.config, 'from_json'):
+        def from_json(file, silent=True):
+            try:
+                with open(file, encoding='utf-8') as json_file:
+                    obj = json.load(json_file)
+            except IOError:
+                if silent:
+                    return False
+                raise
 
-			for key in obj:
-				if key.isupper():
-					app.config[key] = obj[key]
+            for key in obj:
+                if key.isupper():
+                    app.config[key] = obj[key]
 
-			return True
+            return True
 
-		app.config.from_json = from_json
+        app.config.from_json = from_json
 
-	app.config.from_json(config_file, silent=True)
+    app.config.from_json(config_file, silent=True)
 
-	@app.after_request
-	def add_headers(response):
-		response.headers.setdefault('Access-Control-Allow-Origin', '*')
-		response.headers.setdefault('Cache-Control', 'no-cache')
+    @app.after_request
+    def add_headers(response):
+        response.headers.setdefault('Access-Control-Allow-Origin', '*')
+        response.headers.setdefault('Cache-Control', 'no-cache')
 
-		return response
+        return response
 
-	from .views import root_views
-	app.register_blueprint(root_views)
+    from .views import root_views
+    app.register_blueprint(root_views)
 
-	from .state import state_views
-	app.register_blueprint(state_views, url_prefix='/state')
+    from .state import state_views
+    app.register_blueprint(state_views, url_prefix='/state')
 
-	from .sensors import sensors_views
-	app.register_blueprint(sensors_views, url_prefix='/sensors')
+    from .sensors import sensors_views
+    app.register_blueprint(sensors_views, url_prefix='/sensors')
 
 	return app