Fix PyLint's "use-dict-literal" and "use-list-literal"

platformio/builder/tools/piolib.py

@@ -128,9 +128,9 @@ class LibBuilderBase(object):
 
         self._is_dependent = False
         self._is_built = False
-        self._depbuilders = list()
-        self._circular_deps = list()
-        self._processed_files = list()
+        self._depbuilders = []
+        self._circular_deps = []
+        self._processed_files = []
 
         # reset source filter, could be overridden with extra script
         self.env["SRC_FILTER"] = ""

platformio/builder/tools/piosize.py

@@ -220,7 +220,7 @@ def DumpSizeData(_, target, source, env):  # pylint: disable=unused-argument
             "sections": sections,
         }
 
-        files = dict()
+        files = {}
         for symbol in _collect_symbols_info(env, elffile, elf_path, sections):
             file_path = symbol.get("file") or "unknown"
             if not files.get(file_path, {}):
@@ -235,7 +235,7 @@ def DumpSizeData(_, target, source, env):  # pylint: disable=unused-argument
 
             files[file_path]["symbols"].append(symbol)
 
-        data["memory"]["files"] = list()
+        data["memory"]["files"] = []
         for k, v in files.items():
             file_data = {"path": k}
             file_data.update(v)