added packages req

package.xml

@@ -13,6 +13,8 @@
   <test_depend>python3-pytest</test_depend>
 
   <exec_depend>geometry_msgs</exec_depend>
+  <exec_depend>sensor_msgs</exec_depend>
+  <exec_depend>visualization_msgs</exec_depend>
   <exec_depend>python3-numpy</exec_depend>
   <exec_depend>rclpy</exec_depend>
 

setup.py

@@ -11,7 +11,8 @@ setup(
             ['resource/' + package_name]),
         ('share/' + package_name, ['package.xml']),
     ],
-    install_requires=['setuptools'],
+    install_requires=['setuptools',
+                      'Pillow'],
     zip_safe=True,
     maintainer='root',
     maintainer_email='simon.wittl@th-deg.de',