remove catkin_virtualenv to fix build

CMakeLists.txt

 cmake_minimum_required(VERSION 3.0.2)
 project(ros_jr3_comedi)
 
-find_package(catkin REQUIRED catkin_virtualenv)
-
-catkin_generate_virtualenv(
-    INPUT_REQUIREMENTS requirements.in
-    USE_SYSTEM_PACKAGES TRUE
-)
+find_package(catkin REQUIRED )
 
 catkin_install_python(
     PROGRAMS 
       nodes/publisher
     DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION}
 )
-
-install(FILES
-    requirements.txt
-    DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION}
-)

README.md

-#
+# ros_jr3_comedi
 
 ## Build
 
@@ -7,8 +7,13 @@ source /usr/lib64/ros/setup.bash
 source ~/catkin_ws/devel_isolated/setup.bash
 
 mkdir -p ~/catkin_ws/src
+cd ~/catkin_ws/
 
-cd ~/catkin_ws/src
+virtualenv venv
+source venv/bin/activate
+pip install pexpect >= 4.8.0
+
+cd src
 git clone https://gitlab.control.lth.se/tetov/ros_jr3_comedi.git
 
 cd ..
@@ -20,6 +25,7 @@ catkin_make_isolated
 ```bash
 source /usr/lib64/ros/setup.bash
 source ~/catkin_ws/devel_isolated/setup.bash
+source ~/catkin_ws/venv/bin/activate
 
 export ROS_MASTER_URI=http://130.235.83.121:11311
 roslaunch ros_jr3_comedi publish.launch

nodes/publisher

+#!/usr/bin/env python
+
 import rospy
 from geometry_msgs.msg import Vector3, Wrench, WrenchStamped
 

package.xml

@@ -13,7 +13,6 @@
   <build_depend>rospy</build_depend>
   <build_depend>geometry_msg</build_depend>
   <build_depend>std_msgs</build_depend>
-  <build_depend>catkin_virtualenv</build_depend>
 
   <build_export_depend>roscpp</build_export_depend>
   <build_export_depend>rospy</build_export_depend>
@@ -25,8 +24,6 @@
   <exec_depend>geometry_msg</exec_depend>
   <exec_depend>std_msgs</exec_depend>
 
-  <depend>pexpect</depend>
-
   <export>
     <pip_requirements>requirements.txt</pip_requirements>
   </export>

requirements.in

-pexpect >= 4.8.0