getargspec fix (#120)

* increase version to 2.3.3

* replace getfullargspec with getargspec

* added check if is python3

---------

Co-authored-by: Pawel Pawezka <pawel.pawezka@nokia.com>

src/main/python/RemoteSwingLibrary.py

@@ -115,7 +115,7 @@ def _tobool(value):
  return str(value).lower() in ("true", "1", "yes")
 
 
-__version__ = '2.3.2'
+__version__ = '2.3.3'
 
 
 class RemoteSwingLibrary(object):
@@ -630,7 +630,10 @@ def get_keyword_arguments(self, name):
  return swinglibrary.keyword_arguments[name]
 
  def _get_args(self, method_name):
- spec = inspect.getfullargspec(getattr(self, method_name))
+ if IS_PYTHON3:
+ spec = inspect.getfullargspec(getattr(self, method_name))
+ else:
+ spec = inspect.getargspec(getattr(self, method_name))
  args = spec[0][1:]
  if spec[3]:
  for i, item in enumerate(reversed(spec[3])):