diff --git a/pyscript.core/package-lock.json b/pyscript.core/package-lock.json
index 60de038b..21cf506c 100644
--- a/pyscript.core/package-lock.json
+++ b/pyscript.core/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@pyscript/core",
-    "version": "0.4.44",
+    "version": "0.4.46",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@pyscript/core",
-            "version": "0.4.44",
+            "version": "0.4.46",
             "license": "APACHE-2.0",
             "dependencies": {
                 "@ungap/with-resolvers": "^0.1.0",
@@ -21,7 +21,7 @@
                 "@codemirror/lang-python": "^6.1.6",
                 "@codemirror/language": "^6.10.2",
                 "@codemirror/state": "^6.4.1",
-                "@codemirror/view": "^6.28.0",
+                "@codemirror/view": "^6.28.1",
                 "@playwright/test": "^1.44.1",
                 "@rollup/plugin-commonjs": "^26.0.1",
                 "@rollup/plugin-node-resolve": "^15.2.3",
@@ -29,7 +29,7 @@
                 "@webreflection/toml-j0.4": "^1.1.3",
                 "@xterm/addon-fit": "^0.10.0",
                 "@xterm/addon-web-links": "^0.11.0",
-                "bun": "^1.1.12",
+                "bun": "^1.1.13",
                 "chokidar": "^3.6.0",
                 "codemirror": "^6.0.1",
                 "eslint": "^9.4.0",
@@ -135,9 +135,9 @@
             "license": "MIT"
         },
         "node_modules/@codemirror/view": {
-            "version": "6.28.0",
-            "resolved": "https://registry.npmjs.org/@codemirror/view/-/view-6.28.0.tgz",
-            "integrity": "sha512-fo7CelaUDKWIyemw4b+J57cWuRkOu4SWCCPfNDkPvfWkGjM9D5racHQXr4EQeYCD6zEBIBxGCeaKkQo+ysl0gA==",
+            "version": "6.28.1",
+            "resolved": "https://registry.npmjs.org/@codemirror/view/-/view-6.28.1.tgz",
+            "integrity": "sha512-BUWr+zCJpMkA/u69HlJmR+YkV4yPpM81HeMkOMZuwFa8iM5uJdEPKAs1icIRZKkKmy0Ub1x9/G3PQLTXdpBxrQ==",
             "dev": true,
             "license": "MIT",
             "dependencies": {
@@ -486,9 +486,9 @@
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         "node_modules/@oven/bun-darwin-aarch64": {
-            "version": "1.1.12",
-            "resolved": "https://registry.npmjs.org/@oven/bun-darwin-aarch64/-/bun-darwin-aarch64-1.1.12.tgz",
-            "integrity": "sha512-g8nmDXIYDmbEnP6moX3ZTS5BsikX8dz/XB0PAfL+LEBJEGECyor2Hv1yvhGQfeR1/lvfSXsWnk0Hhk9Mrj6uoQ==",
+            "version": "1.1.13",
+            "resolved": "https://registry.npmjs.org/@oven/bun-darwin-aarch64/-/bun-darwin-aarch64-1.1.13.tgz",
+            "integrity": "sha512-XjnL/B3i7s3xR7f7rYtXU5fyVb27g1Hd5fsmkyi1sNmB/34Lt/KRMmhp4C7brjxFtbI3NSkrvF+b3PkprQzPCA==",
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@@ -500,9 +500,9 @@
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-            "resolved": "https://registry.npmjs.org/@oven/bun-darwin-x64/-/bun-darwin-x64-1.1.12.tgz",
-            "integrity": "sha512-XWL6atcLxyh4KgOlqqyHUOh4Ylm46CExipJmAdKs30gyYqbw3E+HTFhADsyFEtugOe0qPUNlo0aMo+ZMc1yIQA==",
+            "version": "1.1.13",
+            "resolved": "https://registry.npmjs.org/@oven/bun-darwin-x64/-/bun-darwin-x64-1.1.13.tgz",
+            "integrity": "sha512-N9t2JHLIEs/n+d7R6ybU/3d7o7xGeKd1U3vip9RMLaEAaJM6mfByAHmhwaQesr3Z6ljcs1zkQJNaFMJA/cJqnA==",
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                 "x64"
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@@ -514,9 +514,9 @@
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         "node_modules/@oven/bun-darwin-x64-baseline": {
-            "version": "1.1.12",
-            "resolved": "https://registry.npmjs.org/@oven/bun-darwin-x64-baseline/-/bun-darwin-x64-baseline-1.1.12.tgz",
-            "integrity": "sha512-KXBwaeD9y4GuxSqC1uDNIktTC/jY2DtagiURuUOF1rniYxkkLRNgXotTvVA5NvP2PBCoWyrxZ67WJSBm0AIyjQ==",
+            "version": "1.1.13",
+            "resolved": "https://registry.npmjs.org/@oven/bun-darwin-x64-baseline/-/bun-darwin-x64-baseline-1.1.13.tgz",
+            "integrity": "sha512-RvVAeFMIayd8HKJqkWnZdI9BQJbH87jAXhNVMLlHpGqP4JVvkPLCKJT5jr9/4FGeWtQmMMZufH6PzTxpHCc9HQ==",
             "cpu": [
                 "x64"
             ],
@@ -528,9 +528,9 @@
             ]
         },
         "node_modules/@oven/bun-linux-aarch64": {
-            "version": "1.1.12",
-            "resolved": "https://registry.npmjs.org/@oven/bun-linux-aarch64/-/bun-linux-aarch64-1.1.12.tgz",
-            "integrity": "sha512-6Jen4+b5BzInF7bbRjMIWoy3xIuK/kQQn9xehvrAYnr3J9p3vCD5VhzDP20hW9yQcmZtO2kE6pIYCbaaxPNKtg==",
+            "version": "1.1.13",
+            "resolved": "https://registry.npmjs.org/@oven/bun-linux-aarch64/-/bun-linux-aarch64-1.1.13.tgz",
+            "integrity": "sha512-5F9EKOjQauRXr+D3VjeMebKyq93xhdgrBOfpPnAn/C+NLFs1Wa2ZjwGAKjW2akmqht6milHft3sbsnCIR+MWIQ==",
             "cpu": [
                 "arm64"
             ],
@@ -542,9 +542,9 @@
             ]
         },
         "node_modules/@oven/bun-linux-x64": {
-            "version": "1.1.12",
-            "resolved": "https://registry.npmjs.org/@oven/bun-linux-x64/-/bun-linux-x64-1.1.12.tgz",
-            "integrity": "sha512-X4dqnIOv4M9HAL4tAj9bb14WjsfKby5xWNV/otUxtfSDsDrV2ukYUekivEmHqchxHFUHOHyc/cv+/jtfvedDZg==",
+            "version": "1.1.13",
+            "resolved": "https://registry.npmjs.org/@oven/bun-linux-x64/-/bun-linux-x64-1.1.13.tgz",
+            "integrity": "sha512-3mq50HhwJbAwu0Dw6OCB5PS6uD1bpFGb8XrEgxnOB3ZydCBOVRRjoY1Jb8HjYHVKzFJZoPrUqulToA8od3IzeQ==",
             "cpu": [
                 "x64"
             ],
@@ -556,9 +556,9 @@
             ]
         },
         "node_modules/@oven/bun-linux-x64-baseline": {
-            "version": "1.1.12",
-            "resolved": "https://registry.npmjs.org/@oven/bun-linux-x64-baseline/-/bun-linux-x64-baseline-1.1.12.tgz",
-            "integrity": "sha512-luwWf/QGMJ23+yIRBMDnhjYuxh9zXy+Vw4lAzwvLB7phYXCs7IPEhIhZxhcZQ3XMafWtHlWAVo5P6NZZdFRMUQ==",
+            "version": "1.1.13",
+            "resolved": "https://registry.npmjs.org/@oven/bun-linux-x64-baseline/-/bun-linux-x64-baseline-1.1.13.tgz",
+            "integrity": "sha512-0zhCVLsFcIyfqqsum7XUejuF3QhRkhI1DxgHQrLs16EKS4gt4X4A49jgTIHOvyedHcKb3FZOLsyjpOejB8kIpg==",
             "cpu": [
                 "x64"
             ],
@@ -570,9 +570,9 @@
             ]
         },
         "node_modules/@oven/bun-windows-x64": {
-            "version": "1.1.12",
-            "resolved": "https://registry.npmjs.org/@oven/bun-windows-x64/-/bun-windows-x64-1.1.12.tgz",
-            "integrity": "sha512-ufvTeXXI9tJSJUhvdPnFUmGqCNBKBazEwjvQ5c8vhtZ8hdBHV54LoURVDIBYCgzfdv5NQT3sr8qRLFqy4mlMLg==",
+            "version": "1.1.13",
+            "resolved": "https://registry.npmjs.org/@oven/bun-windows-x64/-/bun-windows-x64-1.1.13.tgz",
+            "integrity": "sha512-PwFKQVFzhpUMAF86PwIEctfFT8ZQe1Gueqn1dKk07lwJOBve+Ou2NUEoQsq0eac0Cbw2C20fScjyVzDBwIMIPQ==",
             "cpu": [
                 "x64"
             ],
@@ -584,9 +584,9 @@
             ]
         },
         "node_modules/@oven/bun-windows-x64-baseline": {
-            "version": "1.1.12",
-            "resolved": "https://registry.npmjs.org/@oven/bun-windows-x64-baseline/-/bun-windows-x64-baseline-1.1.12.tgz",
-            "integrity": "sha512-MRn+zcJO1hcVqwJmFxpUSdb6ZvrYC8Xp2N1fPOzdw3YSskz9iHkJuUKzx7s9iCC7jTpo6XI/H51EFr/M2U7Ipg==",
+            "version": "1.1.13",
+            "resolved": "https://registry.npmjs.org/@oven/bun-windows-x64-baseline/-/bun-windows-x64-baseline-1.1.13.tgz",
+            "integrity": "sha512-7CVWrc/6LSRrdkxwBjAt4ehqQrLxC9k8+LI7VZKAYt1yNHM3JaOhcPyt3AJB10cmzc5HA/q/uSi6xcNUnlCWiA==",
             "cpu": [
                 "x64"
             ],
@@ -1220,9 +1220,9 @@
             }
         },
         "node_modules/bun": {
-            "version": "1.1.12",
-            "resolved": "https://registry.npmjs.org/bun/-/bun-1.1.12.tgz",
-            "integrity": "sha512-NZzeZuZk7VwCs8VAXnXUHCPOlTS/IyHCscChtT1M1FLSwhBcVMsGVStYlXaaoqsinBKgp0CGJdhnJw2gR3NkDw==",
+            "version": "1.1.13",
+            "resolved": "https://registry.npmjs.org/bun/-/bun-1.1.13.tgz",
+            "integrity": "sha512-yrujTLEspzQJfh7hd2xkYM5skQsjBwVm/wq0cyYBkR5x4FRveOUqeAqtFOPH4aHvsDgwVN+dO0uIrlvE7dDsDQ==",
             "cpu": [
                 "arm64",
                 "x64"
@@ -1240,14 +1240,14 @@
                 "bunx": "bin/bun.exe"
             },
             "optionalDependencies": {
-                "@oven/bun-darwin-aarch64": "1.1.12",
-                "@oven/bun-darwin-x64": "1.1.12",
-                "@oven/bun-darwin-x64-baseline": "1.1.12",
-                "@oven/bun-linux-aarch64": "1.1.12",
-                "@oven/bun-linux-x64": "1.1.12",
-                "@oven/bun-linux-x64-baseline": "1.1.12",
-                "@oven/bun-windows-x64": "1.1.12",
-                "@oven/bun-windows-x64-baseline": "1.1.12"
+                "@oven/bun-darwin-aarch64": "1.1.13",
+                "@oven/bun-darwin-x64": "1.1.13",
+                "@oven/bun-darwin-x64-baseline": "1.1.13",
+                "@oven/bun-linux-aarch64": "1.1.13",
+                "@oven/bun-linux-x64": "1.1.13",
+                "@oven/bun-linux-x64-baseline": "1.1.13",
+                "@oven/bun-windows-x64": "1.1.13",
+                "@oven/bun-windows-x64-baseline": "1.1.13"
             }
         },
         "node_modules/callsites": {
diff --git a/pyscript.core/package.json b/pyscript.core/package.json
index 1fda1a75..93056f2d 100644
--- a/pyscript.core/package.json
+++ b/pyscript.core/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@pyscript/core",
-    "version": "0.4.44",
+    "version": "0.4.46",
     "type": "module",
     "description": "PyScript",
     "module": "./index.js",
@@ -53,7 +53,7 @@
         "@codemirror/lang-python": "^6.1.6",
         "@codemirror/language": "^6.10.2",
         "@codemirror/state": "^6.4.1",
-        "@codemirror/view": "^6.28.0",
+        "@codemirror/view": "^6.28.1",
         "@playwright/test": "^1.44.1",
         "@rollup/plugin-commonjs": "^26.0.1",
         "@rollup/plugin-node-resolve": "^15.2.3",
@@ -61,7 +61,7 @@
         "@webreflection/toml-j0.4": "^1.1.3",
         "@xterm/addon-fit": "^0.10.0",
         "@xterm/addon-web-links": "^0.11.0",
-        "bun": "^1.1.12",
+        "bun": "^1.1.13",
         "chokidar": "^3.6.0",
         "codemirror": "^6.0.1",
         "eslint": "^9.4.0",
diff --git a/pyscript.core/src/plugins/py-editor.js b/pyscript.core/src/plugins/py-editor.js
index ecf07456..0a0f69a9 100644
--- a/pyscript.core/src/plugins/py-editor.js
+++ b/pyscript.core/src/plugins/py-editor.js
@@ -291,7 +291,7 @@ const init = async (script, type, interpreter) => {
     const doc = dedent(script.textContent).trim();
 
     // preserve user indentation, if any
-    const indentation = /^(\s+)/m.test(doc) ? RegExp.$1 : "    ";
+    const indentation = /^([ \t]+)/m.test(doc) ? RegExp.$1 : "    ";
 
     const listener = () => runButton.click();
     const editor = new EditorView({