diff --git a/pymatgen/db/__init__.py b/pymatgen/db/__init__.py
index 22668f7..2470563 100644
--- a/pymatgen/db/__init__.py
+++ b/pymatgen/db/__init__.py
@@ -6,6 +6,7 @@
 is also provided to enable the easy translation of MongoDB docs to useful
 pymatgen objects for analysis purposes.
 """
+
 from __future__ import annotations
 
 import os
diff --git a/pymatgen/db/alchemy/tests/test_transmuters.py b/pymatgen/db/alchemy/tests/test_transmuters.py
index 01a0110..5fcd26b 100644
--- a/pymatgen/db/alchemy/tests/test_transmuters.py
+++ b/pymatgen/db/alchemy/tests/test_transmuters.py
@@ -1,6 +1,7 @@
 """
 Created on Mar 5, 2012
 """
+
 from __future__ import annotations
 
 __author__ = "Shyue Ping Ong"
diff --git a/pymatgen/db/alchemy/transmuters.py b/pymatgen/db/alchemy/transmuters.py
index 51e37e1..e2913c9 100644
--- a/pymatgen/db/alchemy/transmuters.py
+++ b/pymatgen/db/alchemy/transmuters.py
@@ -3,6 +3,7 @@
 TransformedStructures from DB data sources. They enable the
 high-throughput generation of new structures and input files.
 """
+
 from __future__ import annotations
 
 __author__ = "Shyue Ping Ong"
diff --git a/pymatgen/db/config.py b/pymatgen/db/config.py
index 57b1357..cd1b20d 100644
--- a/pymatgen/db/config.py
+++ b/pymatgen/db/config.py
@@ -9,6 +9,7 @@
     # access dict of parsed conf. settings
     settings = cfg1.settings.
 """
+
 from __future__ import annotations
 
 import os
diff --git a/pymatgen/db/creator.py b/pymatgen/db/creator.py
index d1c5d50..c744a7e 100644
--- a/pymatgen/db/creator.py
+++ b/pymatgen/db/creator.py
@@ -2,6 +2,7 @@
 This module defines a Drone to assimilate vasp data and insert it into a
 Mongo database.
 """
+
 from __future__ import annotations
 
 import datetime
@@ -320,7 +321,6 @@ def post_process(self, dir_name, d):
                         d["icsd_id"] = int(m.group(1))
                 except Exception:
                     logger.warning("Cannot parse ICSD from transformations file.")
-                    pass
         else:
             logger.warning("Transformations file does not exist.")
 
diff --git a/pymatgen/db/matproj.py b/pymatgen/db/matproj.py
index 730ea80..42cf0b8 100644
--- a/pymatgen/db/matproj.py
+++ b/pymatgen/db/matproj.py
@@ -3,6 +3,7 @@
 
 See https://medium.com/@shyuep/a-local-materials-project-database-1ea909430c95
 """
+
 from __future__ import annotations
 
 import itertools
diff --git a/pymatgen/db/query_engine.py b/pymatgen/db/query_engine.py
index 3e336d8..0cb0530 100644
--- a/pymatgen/db/query_engine.py
+++ b/pymatgen/db/query_engine.py
@@ -2,6 +2,7 @@
 This module provides a QueryEngine that simplifies queries for Mongo databases
 generated using hive.
 """
+
 from __future__ import annotations
 
 __author__ = "Shyue Ping Ong, Michael Kocher, Dan Gunter"
diff --git a/pymatgen/db/tests/common.py b/pymatgen/db/tests/common.py
index f044756..ba2c8f7 100644
--- a/pymatgen/db/tests/common.py
+++ b/pymatgen/db/tests/common.py
@@ -1,6 +1,7 @@
 """
 Common functions for tests
 """
+
 from __future__ import annotations
 
 __author__ = "Dan Gunter <dkgunter@lbl.gov>"
diff --git a/pymatgen/db/tests/test_creator_and_query_engine.py b/pymatgen/db/tests/test_creator_and_query_engine.py
index 3a1d9bd..79f2d2f 100644
--- a/pymatgen/db/tests/test_creator_and_query_engine.py
+++ b/pymatgen/db/tests/test_creator_and_query_engine.py
@@ -1,6 +1,7 @@
 """
 Created on Jun 19, 2012
 """
+
 from __future__ import annotations
 
 import os
diff --git a/pymatgen/db/util.py b/pymatgen/db/util.py
index e145523..ebd23d4 100644
--- a/pymatgen/db/util.py
+++ b/pymatgen/db/util.py
@@ -1,4 +1,5 @@
 """Utility functions used across scripts."""
+
 from __future__ import annotations
 
 import datetime