diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py
index c955f5c3bd..56e42f289c 100755
--- a/test/functional/test_framework/test_framework.py
+++ b/test/functional/test_framework/test_framework.py
@@ -12,7 +12,6 @@ import shutil
 import tempfile
 import time
 from concurrent.futures import ThreadPoolExecutor
-from time import time, sleep
 
 from .util import (
     assert_equal,
@@ -551,7 +550,7 @@ class DashTestFramework(BitcoinTestFramework):
 
     def wait_for_instantlock(self, txid, node):
         # wait for instantsend locks
-        start = time()
+        start = time.time()
         locked = False
         while True:
             try:
@@ -562,17 +561,17 @@ class DashTestFramework(BitcoinTestFramework):
             except:
                 # TX not received yet?
                 pass
-            if time() > start + 10:
+            if time.time() > start + 10:
                 break
-            sleep(0.5)
+            time.sleep(0.5)
         return locked
 
     def wait_for_sporks_same(self, timeout=30):
-        st = time()
-        while time() < st + timeout:
+        st = time.time()
+        while time.time() < st + timeout:
             if self.check_sporks_same():
                 return
-            sleep(0.5)
+            time.sleep(0.5)
         raise AssertionError("wait_for_sporks_same timed out")
 
     def check_sporks_same(self):
@@ -584,8 +583,8 @@ class DashTestFramework(BitcoinTestFramework):
         return True
 
     def wait_for_quorum_phase(self, phase, check_received_messages, check_received_messages_count, timeout=30):
-        t = time()
-        while time() - t < timeout:
+        t = time.time()
+        while time.time() - t < timeout:
             all_ok = True
             for mn in self.mninfo:
                 s = mn.node.quorum("dkgstatus")["session"]
@@ -605,12 +604,12 @@ class DashTestFramework(BitcoinTestFramework):
                         break
             if all_ok:
                 return
-            sleep(0.1)
+            time.sleep(0.1)
         raise AssertionError("wait_for_quorum_phase timed out")
 
     def wait_for_quorum_commitment(self, timeout = 15):
-        t = time()
-        while time() - t < timeout:
+        t = time.time()
+        while time.time() - t < timeout:
             all_ok = True
             for node in self.nodes:
                 s = node.quorum("dkgstatus")
@@ -623,7 +622,7 @@ class DashTestFramework(BitcoinTestFramework):
                     break
             if all_ok:
                 return
-            sleep(0.1)
+            time.sleep(0.1)
         raise AssertionError("wait_for_quorum_commitment timed out")
 
     def mine_quorum(self, expected_contributions=5, expected_complaints=0, expected_justifications=0, expected_commitments=5):
@@ -640,7 +639,7 @@ class DashTestFramework(BitcoinTestFramework):
         # Make sure all reached phase 1 (init)
         self.wait_for_quorum_phase(1, None, 0)
         # Give nodes some time to connect to neighbors
-        sleep(2)
+        time.sleep(2)
         set_mocktime(get_mocktime() + 1)
         set_node_times(self.nodes, get_mocktime())
         self.nodes[0].generate(2)
@@ -685,7 +684,7 @@ class DashTestFramework(BitcoinTestFramework):
         set_node_times(self.nodes, get_mocktime())
         self.nodes[0].generate(1)
         while quorums == self.nodes[0].quorum("list"):
-            sleep(2)
+            time.sleep(2)
             set_mocktime(get_mocktime() + 1)
             set_node_times(self.nodes, get_mocktime())
             self.nodes[0].generate(1)