Update IModule to AbstractModule with ABC class

AbstractModule.py

@@ -0,0 +1,16 @@
+from abc import ABC, abstractmethod
+
+
+class AbstractModule(ABC):
+    """docstring for Module."""
+
+    def __init__(self):
+        super(AbstractModule, self).__init__()
+
+    @abstractmethod
+    def get_command(self):
+        pass
+
+    @abstractmethod
+    def run(self):
+        pass

IModule.py

@@ -1,8 +0,0 @@
-class IModule(object):
-    """docstring for Module."""
-
-    def __init__(self):
-        super(IModule, self).__init__()
-
-    def get_command(self):
-        raise NotImplementedError

modules/sample/sampleModule.py

@@ -1,12 +1,15 @@
-from IModule import IModule
+from AbstractModule import AbstractModule
 
 
-class SampleModule(IModule):
+class SampleModule(AbstractModule):
     """docstring for SampleModule."""
 
     def __init__(self):
         super(SampleModule, self).__init__()
 
+    def run(self):
+        pass
+
     def get_command(self):
         return [
             "command 1",