minor docs updates now that python-3.6+ required

Author: ploxiln

README.rst

@@ -1,4 +1,4 @@
-*fab-classic* is a Python (2.7 or 3.4+) library and command-line tool
+*fab-classic* is a Python (3.6+) library and command-line tool
 for streamlining the use of SSH for application deployment or systems
 administration tasks.
 

fabric/operations.py

@@ -1158,9 +1158,9 @@ def local(command, capture=False, shell=None, pty=True, encoding='utf-8'):
     your terminal, but the return value will contain the captured
     stdout/stderr.
 
-    ``encoding`` is used when ``capture=True`` and running under Python-3,
-    to decode stdout and stderr. The default is "utf-8". The special value
-    "binary" avoids decoding, leaving stdout and stderr as ``bytes``.
+    ``encoding`` is used when ``capture=True``, to decode stdout and stderr.
+    The default is "utf-8". The special value "binary" avoids decoding,
+    leaving stdout and stderr as ``bytes``.
 
     In either case, as with `~fabric.operations.run` and
     `~fabric.operations.sudo`, this return value exhibits the ``return_code``,

setup.py

@@ -35,21 +35,12 @@
         'Intended Audience :: System Administrators',
         'License :: OSI Approved :: BSD License',
         'Operating System :: MacOS :: MacOS X',
-        'Operating System :: Unix',
         'Operating System :: POSIX',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-        'Programming Language :: Python :: 3.10',
-        'Topic :: Software Development',
+        'Operating System :: Unix',
+        'Programming Language :: Python :: 3',
         'Topic :: Software Development :: Build Tools',
-        'Topic :: Software Development :: Libraries',
         'Topic :: Software Development :: Libraries :: Python Modules',
         'Topic :: System :: Clustering',
-        'Topic :: System :: Software Distribution',
         'Topic :: System :: Systems Administration',
     ],
 )