diff --git a/custodian/vasp/jobs.py b/custodian/vasp/jobs.py
index bf1fb76b..c0dc4c3e 100644
--- a/custodian/vasp/jobs.py
+++ b/custodian/vasp/jobs.py
@@ -246,7 +246,7 @@ def run(self):
             kpts = vi["KPOINTS"]
             if kpts is not None:
                 if kpts.style == Kpoints.supported_modes.Gamma and tuple(kpts.kpts[0]) == (1, 1, 1):
-                    if self.gamma_vasp_cmd is not None and which(self.gamma_vasp_cmd[-1]):
+                    if self.gamma_vasp_cmd is not None and which(self.gamma_vasp_cmd[-1]):  # pylint: disable=E1136
                         cmd = self.gamma_vasp_cmd
                     elif which(cmd[-1] + ".gamma"):
                         cmd[-1] += ".gamma"
@@ -689,7 +689,8 @@ def terminate(self):
                 continue
 
         logger.warning(
-            f"Killing VASP processes in workdir {workdir} failed with subprocess.Popen.terminate(). Resorting to 'killall'."
+            f"Killing VASP processes in workdir {workdir} failed with subprocess.Popen.terminate(). "
+            "Resorting to 'killall'."
         )
         cmds = self.vasp_cmd
         if self.gamma_vasp_cmd:
@@ -867,7 +868,7 @@ def run(self):
                 1,
                 1,
             ):
-                if self.gamma_vasp_cmd is not None and which(self.gamma_vasp_cmd[-1]):
+                if self.gamma_vasp_cmd is not None and which(self.gamma_vasp_cmd[-1]):  # pylint: disable=E1136
                     cmd = self.gamma_vasp_cmd
                 elif which(cmd[-1] + ".gamma"):
                     cmd[-1] += ".gamma"
diff --git a/pylintrc b/pylintrc
index 4302ba98..c1ea3d7d 100644
--- a/pylintrc
+++ b/pylintrc
@@ -20,7 +20,7 @@ analyse-fallback-blocks=no
 # A comma-separated list of package or module names from where C extensions may
 # be loaded. Extensions are loading into the active Python interpreter and may
 # run arbitrary code.
-extension-pkg-allow-list=
+extension-pkg-allow-list=pymatgen
 
 # A comma-separated list of package or module names from where C extensions may
 # be loaded. Extensions are loading into the active Python interpreter and may
@@ -45,7 +45,7 @@ ignore=CVS
 
 # Add files or directories matching the regex patterns to the ignore-list. The
 # regex matches against paths and can be in Posix or Windows format.
-ignore-paths=
+ignore-paths=.*tests.*
 
 # Files or directories matching the regex patterns are skipped. The regex
 # matches against base names, not paths. The default value ignores Emacs file