Added dependency —> Python 3.8 is sufficient

README.md

@@ -15,7 +15,7 @@ The repository is laid out as follows:
 ## Prerequisites
 * Docker community edition Version 18.0 and up (for the core framework).
 * Docker compose version 3.5
-* Python 3.9 (for using the command line interface).
+* Python 3.8 (for using the command line interface).
 
 ---
 
@@ -49,8 +49,6 @@ Options:
 
 If you see this appearing, the cli was successfully installed!
 
-**Note: Anacoda is currently not available in Python version 3.9**
-
 ### Starting the application for the first time.
 The current version of the application needs to be build the first time it is used.
 This is done automatically if you've installed the cli by starting the application. This can be done as follows.
@@ -86,7 +84,6 @@ In this case, x marks the number of mandelbrots you want to calculate. The highe
 Shut down the framework with: `mandelbrot-creator off`.
 
 ## Known issues
-* Works only on Python 3.9
 * No possibility to change the specifications of the calulcated mandelbrots
 * A list of active workers cannot be displayed (you can check this with the docker ps command)
 

worker/requirements.txt

 numpy
 pillow
 flask
-jsonschema
\ No newline at end of file
+jsonschema
+paramiko
\ No newline at end of file