diff --git a/ci_scripts/remote_tests_python.sh b/ci_scripts/remote_tests_python.sh
index 283313776..d9341d7a2 100755
--- a/ci_scripts/remote_tests_python.sh
+++ b/ci_scripts/remote_tests_python.sh
@@ -31,11 +31,12 @@ ssh $SSHTARGET <<_HERE
     export TARGET=release
     export DCC_PY_LIVECONFIG=$DCC_PY_LIVECONFIG
 
-    rm -rf virtualenv venv
-    virtualenv -q -p python3.7 venv 
-    source venv/bin/activate
+    #we rely on tox/virtualenv being available in the host
+    #rm -rf virtualenv venv
+    #virtualenv -q -p python3.7 venv 
+    #source venv/bin/activate
     set -x
 
-    pip install -q tox virtualenv
+    #pip install -q tox virtualenv
     bash ci_scripts/run-python-test.sh 
 _HERE
diff --git a/src/imap.rs b/src/imap.rs
index 4669abed9..e91509980 100644
--- a/src/imap.rs
+++ b/src/imap.rs
@@ -219,12 +219,12 @@ impl Imap {
                         context.stock_string_repl_str2(
                             StockMessage::ServerResponse,
                             format!("{}:{}", imap_server, imap_port),
-                            format!("{}", err),
+                            err.to_string(),
                         )
                     };
                     // IMAP connection failures are reported to users
                     emit_event!(context, Event::ErrorNetwork(message));
-                    return Err(Error::ImapConnectionFailed(format!("{}", err)));
+                    return Err(Error::ImapConnectionFailed(err.to_string()));
                 }
             };
 
@@ -779,7 +779,7 @@ impl Imap {
                     // typically also need to change the Insecure branch.
                     IdleHandle::Secure(mut handle) => {
                         if let Err(err) = handle.init().await {
-                            return Err(Error::ImapIdleProtocolFailed(format!("{}", err)));
+                            return Err(Error::ImapIdleProtocolFailed(err.to_string()));
                         }
 
                         let (idle_wait, interrupt) = handle.wait_with_timeout(timeout);
@@ -817,13 +817,13 @@ impl Imap {
                                 // means that we waited long (with idle_wait)
                                 // but the network went away/changed
                                 self.trigger_reconnect();
-                                return Err(Error::ImapIdleProtocolFailed(format!("{}", err)));
+                                return Err(Error::ImapIdleProtocolFailed(err.to_string()));
                             }
                         }
                     }
                     IdleHandle::Insecure(mut handle) => {
                         if let Err(err) = handle.init().await {
-                            return Err(Error::ImapIdleProtocolFailed(format!("{}", err)));
+                            return Err(Error::ImapIdleProtocolFailed(err.to_string()));
                         }
 
                         let (idle_wait, interrupt) = handle.wait_with_timeout(timeout);
@@ -861,7 +861,7 @@ impl Imap {
                                 // means that we waited long (with idle_wait)
                                 // but the network went away/changed
                                 self.trigger_reconnect();
-                                return Err(Error::ImapIdleProtocolFailed(format!("{}", err)));
+                                return Err(Error::ImapIdleProtocolFailed(err.to_string()));
                             }
                         }
                     }