Set default timeout to None to disable Dask cluster restarting in sav…

…e_stack() function. This workaround produces issues in Docker containers on Apple Silicon with recent 'distributed' library versions. In case it is still required apply argument 'timeout=300' to the function call.

pygmtsar/pygmtsar/IO.py

@@ -652,7 +652,7 @@ def open_stack(self, name, stack=None):
 #             import gc; gc.collect()
 
     # use save_mfdataset
-    def save_stack(self, data, name, caption='Saving 2D Stack', queue=None, timeout=300):
+    def save_stack(self, data, name, caption='Saving 2D Stack', queue=None, timeout=None):
         import numpy as np
         import xarray as xr
         import dask