diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9c6f6f3b2..e16a9c658 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -5,11 +5,11 @@ on: [push, pull_request]
 jobs:
   test:
 
-    runs-on: ubuntu-16.04
+    runs-on: ubuntu-18.04
     strategy:
       max-parallel: 16
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/src/Crypt/CryptEd25519.py b/src/Crypt/CryptEd25519.py
index fc05a9329..20bdc1a91 100644
--- a/src/Crypt/CryptEd25519.py
+++ b/src/Crypt/CryptEd25519.py
@@ -63,7 +63,7 @@
     int2byte = operator.methodcaller("to_bytes", 1, "big")
 else:
     int2byte = chr
-    range = xrange
+    range = list(range(1,10000000))
 
     def indexbytes(buf, i):
         return ord(buf[i])
diff --git a/src/Test/pytest.ini b/src/Test/pytest.ini
index 556389a29..0ffb385fc 100644
--- a/src/Test/pytest.ini
+++ b/src/Test/pytest.ini
@@ -1,6 +1,6 @@
 [pytest]
 python_files = Test*.py
-addopts = -rsxX -v --durations=6 --no-print-logs --capture=fd
+addopts = -rsxX -v --durations=6 --capture=fd
 markers =
     slow: mark a tests as slow.
     webtest: mark a test as a webtest.