[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

dpdata/plugins/ase.py

@@ -79,8 +79,6 @@ def from_labeled_system(self, atoms: ase.Atoms, **kwargs) -> dict:
         RuntimeError
             ASE will raise RuntimeError if the atoms does not
             have a calculator
-
-
         Note that this method will try to load virials from the following sources:
         - atoms.info['virial']
         - atoms.info['virials']
@@ -173,7 +171,7 @@ def to_system(self, data, **kwargs):
         return structures
 
     def to_labeled_system(self, data, *args, **kwargs):
-        """Convert System to ASE Atoms object. """
+        """Convert System to ASE Atoms object."""
         from ase import Atoms
         from ase.calculators.singlepoint import SinglePointCalculator