diff --git a/bilby/bilby_mcmc/sampler.py b/bilby/bilby_mcmc/sampler.py
index 453584270ab530fc2254800863e410146da5e73c..bddc797fd996d26e7b271f4877bee27d5672937a 100644
--- a/bilby/bilby_mcmc/sampler.py
+++ b/bilby/bilby_mcmc/sampler.py
@@ -382,7 +382,9 @@ 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 78539b82605021bdee8b1f746c208ce1e6349571..603530550743b0a0d7c47b6827e2e665e21e7154 100644
--- a/bilby/core/sampler/emcee.py
+++ b/bilby/core/sampler/emcee.py
@@ -311,9 +311,9 @@ 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 b11a9cec4564015642ce65abeae19a2519b8fbf2..ee5f2069b0c967c92001a7b0503a5f7ad703ac17 100644
--- a/bilby/core/sampler/kombine.py
+++ b/bilby/core/sampler/kombine.py
@@ -166,9 +166,9 @@ 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 013d37580f99c7715579f3b6ccbe151298f1a12d..d3e7fd1f45c9d2a820809a87271e58ac107a08cd 100644
--- a/bilby/core/sampler/ptemcee.py
+++ b/bilby/core/sampler/ptemcee.py
@@ -415,9 +415,9 @@ 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
 
@@ -516,7 +516,7 @@ 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,