add some testing for the techno.py

rename load to load_pdk (more explicit).

hades/techno.py

@@ -70,7 +70,7 @@ def get_layer(techno: str, name: str, datatype: str = "drawing"):
  :param datatype:
  :return:
  """
- process = load(techno)
+ process = load_pdk(techno)
  with open(
  join(dirname(__file__), process["base_dir"], process["layermap"]), "r"
  ) as f:
@@ -82,7 +82,7 @@ def get_layer(techno: str, name: str, datatype: str = "drawing"):
  # for tech files
  if re.match(rf"{name}\s*[A-Z,]*", line, re.IGNORECASE) is not None:
  res = list(filter(None, line.split()))
- return Layer(int(res[2]), int(res[3]))
+ return int(res[2]), int(res[3])
  raise ValueError(f"{name} not found in file {techno}")