diff --git a/Cargo.toml b/Cargo.toml
index 7c86dfa..4fa7b4d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,14 +31,14 @@ serde = { version = "^1.0", features = ["derive"] }
 serde_json = "^1.0"
 bincode = {version="^1.3.1", optional=true}
 csv = "1.1.3"
-pyo3-log = {version="^0.4.0", optional=true}
+pyo3-log = {version="^0.6.0", optional=true}
 
 [dependencies.websocket]
 git = "https://github.com/aiarena/rust-websocket"
 default-features = false
 
 [dependencies.pyo3]
-version = "^0.14"
+version = "^0.16"
 optional = true
 features=["auto-initialize"]
 
diff --git a/src/server.rs b/src/server.rs
index f9a3b9e..5ad3bdd 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -14,10 +14,12 @@ use pyo3::ToPyObject;
 use serde::{Deserialize, Serialize};
 use std::thread;
 use std::thread::JoinHandle;
+
 pub enum ClientType {
     Bot,
     Controller,
 }
+
 #[cfg_attr(not(feature = "no-pyo3"), derive(Serialize, Deserialize))]
 pub struct RustServer {
     ip_addr: String,
@@ -86,6 +88,7 @@ impl RustServer {
         })
     }
 }
+
 #[cfg(not(feature = "no-pyo3"))]
 #[pyclass(module = "rust_ac")]
 #[pyo3(text_signature = "(ip_addr)")]
@@ -102,7 +105,7 @@ impl PServer {
         match args.len() {
             0 => Self { server: None },
             1 => {
-                if let Ok(f) = args.get_item(0).extract::<&str>() {
+                if let Ok(f) = args.get_item(0).and_then(|x| x.extract::<&str>()) {
                     Self {
                         server: Some(RustServer::new(f)),
                     }
@@ -144,6 +147,7 @@ impl PServer {
         Ok(PyBytes::new(py, &serialize(&self.server).unwrap()).to_object(py))
     }
 }
+
 #[cfg(test)]
 mod tests {
     use super::*;