Remove usb_cam dependency

CMakeLists.txt

@@ -2,7 +2,6 @@ cmake_minimum_required(VERSION 2.8.3)
 project(ros_cosypose)
 
 find_package(catkin REQUIRED COMPONENTS
-   usb_cam
    message_generation
    std_msgs
    sensor_msgs

README.md

@@ -100,3 +100,12 @@ dataclasses module is not needed anymore but is getting installed anyway as requ
 ```
 pip uninstall dataclasses
 ```
+
+### Python error related to yaml constructor
+For example :  
+`yaml.constructor.ConstructorError: could not determine a constructor for the tag 'tag:yaml.org,2002:python/object:argparse.Namespace' in "<unicode string>", line 1, column 1: !!python/object:argparse.Namespace`
+
+Force the correct version of pyyaml with :
+```
+pip install pyyaml==5.1
+```

environment.yaml

@@ -20,9 +20,11 @@ dependencies:
   - pillow
   - ipython
   - seaborn
-  - ros-noetic-desktop-full
+  - ros-noetic-desktop
   - ros-noetic-usb-cam
-  - ros-noetic-moveit-msgs
+  - ros-noetic-std-msgs
+  - ros-noetic-geometry-msgs
+  - ros-noetic-sensor-msgs
   - catkin_tools
   - pip:
       - ./deps/bullet3

package.xml

@@ -7,7 +7,6 @@
   <license>MIT</license>
 
   <buildtool_depend>catkin</buildtool_depend>
-  <build_depend>usb_cam</build_depend>
   <build_depend>std_msgs</build_depend>
   <build_depend>sensor_msgs</build_depend>
   <build_depend>geometry_msgs</build_depend>