Limit supported prompt-toolkit versions to 3.0.2-3.1.0

Fixes  #13645. Stems from  #13592.

setup.cfg

@@ -37,7 +37,7 b' install_requires ='
     matplotlib-inline
     pexpect>4.3; sys_platform != "win32"
     pickleshare
-    prompt_toolkit>=2.0.0,<3.1.0,!=3.0.0,!=3.0.1
+    prompt_toolkit>3.0.1,<3.1.0
     pygments>=2.4.0
     setuptools>=18.5
     stack_data