Fix PyLint for v2.9.3

.pylintrc

@@ -15,6 +15,7 @@ disable=
     useless-object-inheritance,
     useless-import-alias,
     bad-option-value,
+    consider-using-dict-items,
 
     ; PY2 Compat
     super-with-arguments,

platformio/package/manager/core.py

@@ -78,6 +78,7 @@ def remove_unnecessary_core_packages(dry_run=False):
         pkg = pm.get_package(spec)
         if not pkg:
             continue
+        # pylint: disable=no-member
         best_pkg_versions[pkg.metadata.name] = pkg.metadata.version
 
     for pkg in pm.get_installed():

platformio/package/unpack.py

@@ -57,7 +57,9 @@ class BaseArchiver(object):
 
 class TARArchiver(BaseArchiver):
     def __init__(self, archpath):
-        super(TARArchiver, self).__init__(tarfile_open(archpath))
+        super(TARArchiver, self).__init__(
+            tarfile_open(archpath)  # pylint: disable=consider-using-with
+        )
 
     def get_items(self):
         return self._afo.getmembers()
@@ -99,7 +101,9 @@ class TARArchiver(BaseArchiver):
 
 class ZIPArchiver(BaseArchiver):
     def __init__(self, archpath):
-        super(ZIPArchiver, self).__init__(ZipFile(archpath))
+        super(ZIPArchiver, self).__init__(
+            ZipFile(archpath)  # pylint: disable=consider-using-with
+        )
 
     @staticmethod
     def preserve_permissions(item, dest_dir):

platformio/proc.py

@@ -124,16 +124,16 @@ def exec_command(*args, **kwargs):
         if isinstance(kwargs[s], AsyncPipeBase):
             result[s[3:]] = kwargs[s].get_buffer()
 
-    for k, v in result.items():
-        if isinstance(result[k], bytes):
+    for key, value in result.items():
+        if isinstance(value, bytes):
             try:
-                result[k] = result[k].decode(
+                result[key] = value.decode(
                     get_locale_encoding() or get_filesystem_encoding()
                 )
             except UnicodeDecodeError:
-                result[k] = result[k].decode("latin-1")
-        if v and isinstance(v, string_types):
-            result[k] = result[k].strip()
+                result[key] = value.decode("latin-1")
+        if value and isinstance(value, string_types):
+            result[key] = value.strip()
 
     return result