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tomoscan/io.py

@@ -128,6 +128,7 @@ def isErrno(e, errno):
     # Because e.__cause__ is None for chained exceptions
     return "errno = {}".format(errno) in "".join(traceback.format_exc())
 
+
 def check_virtual_sources_exist(fname, data_path):
     """
     Check that a virtual dataset points to actual data.
@@ -152,7 +153,9 @@ def check_virtual_sources_exist(fname, data_path):
         if not dptr.is_virtual:
             return True
         for vsource in dptr.virtual_sources():
-            vsource_fname = os.path.join(os.path.dirname(dptr.file.filename), vsource.file_name)
+            vsource_fname = os.path.join(
+                os.path.dirname(dptr.file.filename), vsource.file_name
+            )
             if not os.path.isfile(vsource_fname):
                 print("No such file: %s" % vsource_fname)
                 return False