Fix up errors

Author: abrandemuehl

machine_controller/app.py

@@ -42,10 +42,10 @@
 merch = Merch()
 
 @app.route('/vend', methods=['POST'])
-def hello_world():
+def vend():
     if request.headers.get('Authorization', '') != token_value:
         abort(401)
-    data = request.json()
+    data = request.json
     items = data['items']
     transaction_id = data['transaction_id']
 

machine_controller/vend.py

@@ -110,7 +110,7 @@ def vend(self, letter, number):
         except TypeError:
             raise self.InvalidLocationError
 
-        if num < 1 or num > MAX_NUMBER:
+        if num < 1 or num > self.MAX_NUMBER:
             raise self.InvalidLocationError
 
         self.__vend(letter, str(number))
@@ -126,6 +126,9 @@ def __vend(self, letter, number):
         self.__sendKey(number)
         self.__commit()
 
+        # Wait for vend to complete
+        time.sleep(10)
+
     def __sendKey(self, key):
         # TABLE OF OUTPUTS
         # ROW = {ROW[0],ROW[1],ROW[2]}