diff --git a/bilby/bilby_mcmc/sampler.py b/bilby/bilby_mcmc/sampler.py
index 9aeaa731d035619fe58ba82fb6b98150a398e25b..c8ccf253f087fdd66f0a3cacf17a4ca92fc38f30 100644
--- a/bilby/bilby_mcmc/sampler.py
+++ b/bilby/bilby_mcmc/sampler.py
@@ -388,7 +388,9 @@ class Bilby_MCMC(MCMCSampler):
             If true, resume file was successfully loaded, otherwise false
 
         """
-        if os.path.isfile(self.resume_file) is False or not os.path.getsize(self.resume_file):
+        if os.path.isfile(self.resume_file) is False or not os.path.getsize(
+            self.resume_file
+        ):
             return False
         import dill
 
diff --git a/bilby/core/sampler/emcee.py b/bilby/core/sampler/emcee.py
index a2fa4cfa9db63458731e6492a1aec60e500658c8..76e4dd1ebec11907cd3c90552ecfe2f188f9961d 100644
--- a/bilby/core/sampler/emcee.py
+++ b/bilby/core/sampler/emcee.py
@@ -312,9 +312,9 @@ class Emcee(MCMCSampler):
         if hasattr(self, "_sampler"):
             pass
         elif (
-            self.resume and
-            os.path.isfile(self.checkpoint_info.sampler_file) and
-            os.path.getsize(self.checkpoint_info.sampler_file)
+            self.resume
+            and os.path.isfile(self.checkpoint_info.sampler_file)
+            and os.path.getsize(self.checkpoint_info.sampler_file)
         ):
             import dill
 
diff --git a/bilby/core/sampler/kombine.py b/bilby/core/sampler/kombine.py
index e3aef85abf0b17d5e6ab74bb4edbdf567fabb4ae..467751959013a7db6a7e5332bbd7c1044d55c91d 100644
--- a/bilby/core/sampler/kombine.py
+++ b/bilby/core/sampler/kombine.py
@@ -167,9 +167,9 @@ class Kombine(Emcee):
 
     def check_resume(self):
         return (
-            self.resume and
-            os.path.isfile(self.checkpoint_info.sampler_file) and
-            os.path.getsize(self.checkpoint_info.sampler_file) > 0
+            self.resume
+            and os.path.isfile(self.checkpoint_info.sampler_file)
+            and os.path.getsize(self.checkpoint_info.sampler_file) > 0
         )
 
     @signal_wrapper
diff --git a/bilby/core/sampler/ptemcee.py b/bilby/core/sampler/ptemcee.py
index 5184734506c9f4c9fac6e81c510fe5cb8581614a..1d74a6f6adc1871eb2fb68d8ed4dbe1301639493 100644
--- a/bilby/core/sampler/ptemcee.py
+++ b/bilby/core/sampler/ptemcee.py
@@ -416,9 +416,9 @@ class Ptemcee(MCMCSampler):
             ptemcee.sampler.np.float = float
 
         if (
-            os.path.isfile(self.resume_file) and
-            os.path.getsize(self.resume_file) and
-            self.resume is True
+            os.path.isfile(self.resume_file)
+            and os.path.getsize(self.resume_file)
+            and self.resume is True
         ):
             import dill
 
@@ -517,7 +517,7 @@ class Ptemcee(MCMCSampler):
         logger.info("Starting to sample")
 
         while True:
-            for (pos0, log_posterior, log_likelihood) in sampler.sample(
+            for pos0, log_posterior, log_likelihood in sampler.sample(
                 self.pos0,
                 storechain=False,
                 iterations=self.convergence_inputs.niterations_per_check,