fix for contcar.gz not found

Author: fraricci

atomate/common/firetasks/glue_tasks.py

@@ -142,12 +142,12 @@ def run_task(self, fw_spec=None):
 
         for f in files_to_copy:
             prev_path_full = os.path.join(calc_dir, f)
-            dest_fname = self.get("name_prepend", "") + f + self.get("name_append", "")
+            f, ext = os.path.splitext(f)
+            dest_fname = self.get("name_prepend", "") + f + self.get("name_append", "") + ext
             dest_path = os.path.join(os.getcwd(), dest_fname)
 
             fileclient.copy(prev_path_full, dest_path)
 
-
 @explicit_serialize
 class DeleteFiles(FiretaskBase):
     """

atomate/vasp/firetasks/glue_tasks.py

@@ -290,15 +290,17 @@ def interpolate_poscar(self, fw_spec):
         # use CopyFilesFromCalcLoc to get files from previous locations.
         CopyFilesFromCalcLoc(
             calc_loc=self["start"],
-            filenames=["CONTCAR"],
+            filenames=["CONTCAR","CONTCAR.gz"],
             name_prepend=interpolate_folder + os.sep,
             name_append="_0",
+            decompress=True,
         ).run_task(fw_spec=fw_spec)
         CopyFilesFromCalcLoc(
             calc_loc=self["end"],
-            filenames=["CONTCAR"],
+            filenames=["CONTCAR","CONTCAR.gz"],
             name_prepend=interpolate_folder + os.sep,
             name_append="_1",
+            decompress=True,
         ).run_task(fw_spec=fw_spec)
 
         # assuming first calc_dir is polar structure for ferroelectric search