diff --git a/run_mypy.py b/run_mypy.py
index 27f07cd281..62984bce27 100644
--- a/run_mypy.py
+++ b/run_mypy.py
@@ -1,80 +1,80 @@
-#!/usr/bin/env python
-import os
-import sys
-import subprocess
-
-
-# A quick Python implementation of unix 'where' command.
-def where(exe_name: str, search_path: str = os.getenv("PATH")) -> str:
-    if search_path is None:
-        search_path = ""
-    paths = search_path.split(os.pathsep)
-    result = ""
-    print("  ->  sys.executable location: %s" % sys.executable)
-    sys_exec_dir = os.path.dirname(sys.executable)
-    root_dir = os.path.dirname(sys_exec_dir)
-    paths += [sys_exec_dir,
-              os.path.join(root_dir, "bin"),
-              os.path.join(root_dir, "scripts"),
-              ]
-    paths = set(paths)
-
-    for path in sorted(paths):
-        print(" -> Searching %s" % path)
-        candidate_path = os.path.join(path, exe_name)
-        if os.path.exists(candidate_path):
-            result = candidate_path
-            break
-    return result
-
-
-def findModules(path):
-    result = []
-    for entry in os.scandir(path):
-        if entry.is_dir() and os.path.exists(os.path.join(path, entry.name, "__init__.py")):
-            result.append(entry.name)
-    return result
-
-
-def main():
-    # Find Uranium via the PYTHONPATH var
-    uraniumUMPath = where("UM", os.getenv("PYTHONPATH"))
-    if uraniumUMPath is None:
-        uraniumUMPath = os.path.join("..", "Uranium")
-    uraniumPath = os.path.dirname(uraniumUMPath)
-
-    mypy_path_parts = [".", os.path.join(".", "plugins"), os.path.join(".", "plugins", "VersionUpgrade"),
-                       uraniumPath, os.path.join(uraniumPath, "stubs")]
-    if sys.platform == "win32":
-        os.putenv("MYPYPATH", ";".join(mypy_path_parts))
-    else:
-        os.putenv("MYPYPATH", ":".join(mypy_path_parts))
-
-    # Mypy really needs to be run via its Python script otherwise it can't find its data files.
-    mypy_exe_name = "mypy.exe" if sys.platform == "win32" else "mypy"
-    mypy_exe_dir = where(mypy_exe_name)
-    mypy_module = os.path.join(os.path.dirname(mypy_exe_dir), mypy_exe_name)
-    print("Found mypy exe path: %s" % mypy_exe_dir)
-    print("Found mypy module path: %s" % mypy_module)
-
-    plugins = findModules("plugins")
-    plugins.sort()
-
-    mods = ["cura"] + plugins + findModules("plugins/VersionUpgrade")
-
-    for mod in mods:
-        print("------------- Checking module {mod}".format(**locals()))
-        if sys.platform == "win32":
-            result = subprocess.run([mypy_module, "-p", mod, "--ignore-missing-imports"])
-        else:
-            result = subprocess.run([sys.executable, mypy_module, "-p", mod, "--ignore-missing-imports"])
-        if result.returncode != 0:
-            print("\nModule {mod} failed checking. :(".format(**locals()))
-            return 1
-    else:
-        print("\n\nDone checking. All is good.")
-    return 0
-
-
-if __name__ == "__main__":
-    sys.exit(main())
+#!/usr/bin/env python
+import os
+import sys
+import subprocess
+
+
+# A quick Python implementation of unix 'where' command.
+def where(exe_name: str, search_path: str = os.getenv("PATH")) -> str:
+    if search_path is None:
+        search_path = ""
+    paths = search_path.split(os.pathsep)
+    result = ""
+    print("  ->  sys.executable location: %s" % sys.executable)
+    sys_exec_dir = os.path.dirname(sys.executable)
+    root_dir = os.path.dirname(sys_exec_dir)
+    paths += [sys_exec_dir,
+              os.path.join(root_dir, "bin"),
+              os.path.join(root_dir, "scripts"),
+              ]
+    paths = set(paths)
+
+    for path in sorted(paths):
+        print(" -> Searching %s" % path)
+        candidate_path = os.path.join(path, exe_name)
+        if os.path.exists(candidate_path):
+            result = candidate_path
+            break
+    return result
+
+
+def findModules(path):
+    result = []
+    for entry in os.scandir(path):
+        if entry.is_dir() and os.path.exists(os.path.join(path, entry.name, "__init__.py")):
+            result.append(entry.name)
+    return result
+
+
+def main():
+    # Find Uranium via the PYTHONPATH var
+    uraniumUMPath = where("UM", os.getenv("PYTHONPATH"))
+    if uraniumUMPath is None:
+        uraniumUMPath = os.path.join("..", "Uranium")
+    uraniumPath = os.path.dirname(uraniumUMPath)
+
+    mypy_path_parts = [".", os.path.join(".", "plugins"), os.path.join(".", "plugins", "VersionUpgrade"),
+                       uraniumPath, os.path.join(uraniumPath, "stubs")]
+    if sys.platform == "win32":
+        os.putenv("MYPYPATH", ";".join(mypy_path_parts))
+    else:
+        os.putenv("MYPYPATH", ":".join(mypy_path_parts))
+
+    # Mypy really needs to be run via its Python script otherwise it can't find its data files.
+    mypy_exe_name = "mypy.exe" if sys.platform == "win32" else "mypy"
+    mypy_exe_dir = where(mypy_exe_name)
+    mypy_module = os.path.join(os.path.dirname(mypy_exe_dir), mypy_exe_name)
+    print("Found mypy exe path: %s" % mypy_exe_dir)
+    print("Found mypy module path: %s" % mypy_module)
+
+    plugins = findModules("plugins")
+    plugins.sort()
+
+    mods = ["cura"] + plugins + findModules("plugins/VersionUpgrade")
+    result = 0
+    for mod in mods:
+        print("------------- Checking module {mod}".format(**locals()))
+        if sys.platform == "win32":
+            result = subprocess.run([mypy_module, "-p", mod, "--ignore-missing-imports"])
+        else:
+            result = subprocess.run([sys.executable, mypy_module, "-p", mod, "--ignore-missing-imports"])
+        if result.returncode != 0:
+            print("\nModule {mod} failed checking. :(".format(**locals()))
+            result = 1
+    else:
+        print("\n\nDone checking. All is good.")
+    return result
+
+
+if __name__ == "__main__":
+    sys.exit(main())