diff --git a/CHANGELOG.md b/CHANGELOG.md
index 015cb68d2..ced235c44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Removed unassigned variable names
 - Contributing guidelines steps for installing for the first time
 - Updated gitignore to ignore yarn files and folders for latest version of yarn
 
diff --git a/covalent/_shared_files/config.py b/covalent/_shared_files/config.py
index 57c5eb4f3..f4556afd9 100644
--- a/covalent/_shared_files/config.py
+++ b/covalent/_shared_files/config.py
@@ -46,7 +46,7 @@ def __init__(self) -> None:
         self.generate_default_config()
 
         try:
-            with open(self.config_file, "r") as f:
+            with open(self.config_file, "r"):
                 pass
 
             self.update_config()
diff --git a/covalent/_workflow/depsbash.py b/covalent/_workflow/depsbash.py
index 8746a2012..e92b35d38 100644
--- a/covalent/_workflow/depsbash.py
+++ b/covalent/_workflow/depsbash.py
@@ -24,7 +24,7 @@
 
 def apply_bash_commands(commands):
     for cmd in commands:
-        proc = subprocess.run(
+        subprocess.run(
             cmd, stdin=subprocess.DEVNULL, shell=True, capture_output=True, check=True, text=True
         )
 
diff --git a/covalent/executor/base.py b/covalent/executor/base.py
index 6b80e7130..23ddfb34f 100644
--- a/covalent/executor/base.py
+++ b/covalent/executor/base.py
@@ -377,8 +377,8 @@ def execute(
             output: The result of the function execution.
         """
 
-        dispatch_info = DispatchInfo(dispatch_id)
-        fn_version = function.args[0].python_version
+        DispatchInfo(dispatch_id)
+        function.args[0].python_version
         self._task_stdout = io.StringIO()
         self._task_stderr = io.StringIO()
 
@@ -392,10 +392,10 @@ def execute(
             self.setup(task_metadata=task_metadata)
             result = self.run(function, args, kwargs, task_metadata)
             job_status = RESULT_STATUS.COMPLETED
-        except TaskRuntimeError as err:
+        except TaskRuntimeError:
             job_status = RESULT_STATUS.FAILED
             result = None
-        except TaskCancelledError as err:
+        except TaskCancelledError:
             job_status = RESULT_STATUS.CANCELLED
             result = None
         finally:
@@ -651,10 +651,10 @@ async def execute(
             await self.setup(task_metadata=task_metadata)
             result = await self.run(function, args, kwargs, task_metadata)
             job_status = RESULT_STATUS.COMPLETED
-        except TaskCancelledError as err:
+        except TaskCancelledError:
             job_status = RESULT_STATUS.CANCELLED
             result = None
-        except TaskRuntimeError as err:
+        except TaskRuntimeError:
             job_status = RESULT_STATUS.FAILED
             result = None
         finally:
diff --git a/covalent_dispatcher/_cli/service.py b/covalent_dispatcher/_cli/service.py
index 1282d7502..815f42e09 100644
--- a/covalent_dispatcher/_cli/service.py
+++ b/covalent_dispatcher/_cli/service.py
@@ -238,7 +238,7 @@ def _graceful_start(
         try:
             requests.get(dispatcher_addr, timeout=1)
             up = True
-        except requests.exceptions.ConnectionError as err:
+        except requests.exceptions.ConnectionError:
             time.sleep(1)
 
     Path(get_config("dispatcher.cache_dir")).mkdir(parents=True, exist_ok=True)
@@ -643,7 +643,7 @@ def status() -> None:
     try:
         response = requests.get(f"http://localhost:{port}/api/triggers/status", timeout=1)
         trigger_status = response.json()["status"]
-    except requests.exceptions.ConnectionError as err:
+    except requests.exceptions.ConnectionError:
         trigger_status = "stopped"
 
     if trigger_status == "running":
diff --git a/covalent_ui/api/v1/data_layer/summary_dal.py b/covalent_ui/api/v1/data_layer/summary_dal.py
index 0442d1a7d..175a1aea9 100644
--- a/covalent_ui/api/v1/data_layer/summary_dal.py
+++ b/covalent_ui/api/v1/data_layer/summary_dal.py
@@ -58,7 +58,6 @@ def get_summary(
         Return:
             List of top most Lattices and count
         """
-        result = None
 
         status_filters = self.get_filters(status_filter)
 
diff --git a/tests/covalent_dispatcher_tests/_cli/groups/db_test.py b/tests/covalent_dispatcher_tests/_cli/groups/db_test.py
index 2b7690a51..80cd42eec 100644
--- a/tests/covalent_dispatcher_tests/_cli/groups/db_test.py
+++ b/tests/covalent_dispatcher_tests/_cli/groups/db_test.py
@@ -36,7 +36,7 @@ def test_migration_success(mocker):
     runner = CliRunner()
     db_mock = Mock()
     mocker.patch.object(DataStore, "factory", lambda: db_mock)
-    res = runner.invoke(migrate, catch_exceptions=False)
+    runner.invoke(migrate, catch_exceptions=False)
     db_mock.run_migrations.assert_called_once()