chore: remove obsolete future dependency (#234)

mgorny · web-flow · commit 941f8e20bdd8 · 2022-09-03T08:11:45.000+02:00
The `future` package is not used anywhere in the code, so remove
the dependency.
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,3 @@
 mando>=0.6,<0.7
 colorama==0.4.1;python_version<='3.4'
 colorama>=0.4.1;python_version>'3.4'
-future
diff --git a/setup.py b/setup.py
@@ -25,7 +25,6 @@
           'mando>=0.6,<0.7',
           'colorama==0.4.1;python_version<="3.4"',
           'colorama>=0.4.1;python_version>"3.4"',
-          'future',
       ],
       entry_points={
           'console_scripts': ['radon = radon:main'],
