diff --git a/errbot/core.py b/errbot/core.py
index 4273aab37..83ca407e9 100644
--- a/errbot/core.py
+++ b/errbot/core.py
@@ -825,7 +825,7 @@ def get_doc(self, command: Callable) -> str:
         if self.prefix == "!":
             return command.__doc__
         ununderscore_keys = (m.replace("_", " ") for m in self.all_commands.keys())
-        pat = re.compile(fr'!({"|".join(ununderscore_keys)})')
+        pat = re.compile(rf'!({"|".join(ununderscore_keys)})')
         return re.sub(pat, self.prefix + "\1", command.__doc__)
 
     @staticmethod
diff --git a/tests/webhooks_test.py b/tests/webhooks_test.py
index e13063d32..62ae6135a 100644
--- a/tests/webhooks_test.py
+++ b/tests/webhooks_test.py
@@ -185,14 +185,11 @@ def test_generate_certificate_creates_usable_cert(webhook_testbot):
         requests.packages.urllib3.exceptions.InsecureRequestWarning
     )
 
-    assert (
-        requests.post(
-            "https://localhost:{}/webhook1".format(WEBSERVER_SSL_PORT),
-            JSONOBJECT,
-            verify=False,
-        ).text
-        == repr(json.loads(JSONOBJECT))
-    )
+    assert requests.post(
+        "https://localhost:{}/webhook1".format(WEBSERVER_SSL_PORT),
+        JSONOBJECT,
+        verify=False,
+    ).text == repr(json.loads(JSONOBJECT))
 
 
 def test_custom_headers_and_status_codes(webhook_testbot):