diff --git a/tests/hghave.py b/tests/hghave.py
--- a/tests/hghave.py
+++ b/tests/hghave.py
@@ -780,6 +780,14 @@
     return (py_major, py_minor) >= (int(major), int(minor))
 
 
+@checkvers("pyexact", "Python == %s", (2.7, 3.5, 3.6, 3.7, 3.8, 3.9))
+def has_python_exact(v):
+    major, minor = v.split(".")[0:2]
+    py_major, py_minor = sys.version_info.major, sys.version_info.minor
+
+    return (py_major, py_minor) == (int(major), int(minor))
+
+
 @check("py3", "running with Python 3.x")
 def has_py3():
     return 3 == sys.version_info[0]
diff --git a/tests/test-ssh-proto.t b/tests/test-ssh-proto.t
--- a/tests/test-ssh-proto.t
+++ b/tests/test-ssh-proto.t
@@ -111,7 +111,7 @@
   o>     capabilities: batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset getbundle known lookup protocaps pushkey streamreqs=generaldelta,revlogv1,sparserevlog unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash\n
   440
   capabilities: batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset getbundle known lookup protocaps pushkey streamreqs=generaldelta,revlogv1,sparserevlog unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash
-  o> flush() -> None
+  o> flush() -> None (no-pyexact35 !)
 
   $ hg debugserve --sshstdio --logiofile $TESTTMP/io << EOF
   > hello
@@ -125,7 +125,7 @@
   o>     440\n
   o> write(440) -> 440:
   o>     capabilities: batch branchmap $USUAL_BUNDLE2_CAPS$ changegroupsubset getbundle known lookup protocaps pushkey streamreqs=generaldelta,revlogv1,sparserevlog unbundle=HG10GZ,HG10BZ,HG10UN unbundlehash\n
-  o> flush() -> None
+  o> flush() -> None (no-pyexact35 !)
 
   $ cd ..