diff --git a/DerivedData/MySpleeter/Logs/Debug/LogStoreManifest.plist b/DerivedData/MySpleeter/Logs/Debug/LogStoreManifest.plist
index c8c83d1..e0f248c 100644
--- a/DerivedData/MySpleeter/Logs/Debug/LogStoreManifest.plist
+++ b/DerivedData/MySpleeter/Logs/Debug/LogStoreManifest.plist
@@ -5,6 +5,41 @@
 	<key>logFormatVersion</key>
 	<integer>10</integer>
 	<key>logs</key>
-	<dict/>
+	<dict>
+		<key>27C69FD4-5085-4178-9F68-2C0D04962C95</key>
+		<dict>
+			<key>className</key>
+			<string>DBGConsoleLog</string>
+			<key>documentTypeString</key>
+			<string>com.apple.dt.IDE.DebuggerLogContentType</string>
+			<key>domainType</key>
+			<string>Xcode.IDEActivityLogDomainType.DebugLog</string>
+			<key>fileName</key>
+			<string>27C69FD4-5085-4178-9F68-2C0D04962C95.xcactivitylog</string>
+			<key>hasPrimaryLog</key>
+			<true/>
+			<key>primaryObservable</key>
+			<dict>
+				<key>highLevelStatus</key>
+				<string>S</string>
+			</dict>
+			<key>schemeIdentifier-containerName</key>
+			<string>MySpleeter project</string>
+			<key>schemeIdentifier-schemeName</key>
+			<string>MySpleeter</string>
+			<key>schemeIdentifier-sharedScheme</key>
+			<integer>1</integer>
+			<key>signature</key>
+			<string>Debug MySpleeter</string>
+			<key>timeStartedRecording</key>
+			<real>620821423.58752799</real>
+			<key>timeStoppedRecording</key>
+			<real>620821426.40916598</real>
+			<key>title</key>
+			<string>Debug MySpleeter</string>
+			<key>uniqueIdentifier</key>
+			<string>27C69FD4-5085-4178-9F68-2C0D04962C95</string>
+		</dict>
+	</dict>
 </dict>
 </plist>
diff --git a/MySpleeter.xcodeproj/project.pbxproj b/MySpleeter.xcodeproj/project.pbxproj
index 61b02a9..31be206 100644
--- a/MySpleeter.xcodeproj/project.pbxproj
+++ b/MySpleeter.xcodeproj/project.pbxproj
@@ -21,6 +21,7 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		EB42FA8024FFEA18005F7B49 /* MySpleeterDebug.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = MySpleeterDebug.entitlements; sourceTree = "<group>"; };
 		EB716DE024FE543B00ED4FA1 /* MySpleeter.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = MySpleeter.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		EB716DE324FE543B00ED4FA1 /* AppDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
 		EB716DE424FE543B00ED4FA1 /* AppDelegate.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
@@ -77,6 +78,7 @@
 		EB716DE224FE543B00ED4FA1 /* MySpleeter */ = {
 			isa = PBXGroup;
 			children = (
+				EB42FA8024FFEA18005F7B49 /* MySpleeterDebug.entitlements */,
 				EB716DF424FE54B700ED4FA1 /* AppController.h */,
 				EB716DF524FE54B700ED4FA1 /* AppController.m */,
 				EB716E0324FF9D1400ED4FA1 /* SpleeterWrapper.h */,
@@ -248,7 +250,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -300,7 +302,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;
@@ -311,11 +313,13 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CODE_SIGN_ENTITLEMENTS = MySpleeter/MySpleeter.entitlements;
-				CODE_SIGN_STYLE = Automatic;
+				CODE_SIGN_ENTITLEMENTS = MySpleeter/MySpleeterDebug.entitlements;
+				CODE_SIGN_IDENTITY = "-";
+				CODE_SIGN_INJECT_BASE_ENTITLEMENTS = NO;
+				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
-				DEVELOPMENT_TEAM = A386R5WFZ6;
-				ENABLE_HARDENED_RUNTIME = NO;
+				DEVELOPMENT_TEAM = "";
+				ENABLE_HARDENED_RUNTIME = YES;
 				HEADER_SEARCH_PATHS = /Users/koji/work/mypython/devbuild/include/python3.7m;
 				INFOPLIST_FILE = MySpleeter/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -331,6 +335,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = com.kyab.MySpleeter;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 			};
 			name = Debug;
 		};
@@ -339,10 +344,12 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_ENTITLEMENTS = MySpleeter/MySpleeter.entitlements;
-				CODE_SIGN_STYLE = Automatic;
+				CODE_SIGN_IDENTITY = "-";
+				CODE_SIGN_INJECT_BASE_ENTITLEMENTS = NO;
+				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
-				DEVELOPMENT_TEAM = A386R5WFZ6;
-				ENABLE_HARDENED_RUNTIME = NO;
+				DEVELOPMENT_TEAM = "";
+				ENABLE_HARDENED_RUNTIME = YES;
 				HEADER_SEARCH_PATHS = /Users/koji/work/mypython/devbuild/include/python3.7m;
 				INFOPLIST_FILE = MySpleeter/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -358,6 +365,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = com.kyab.MySpleeter;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 			};
 			name = Release;
 		};
diff --git a/MySpleeter.xcodeproj/xcuserdata/koji.xcuserdatad/xcschemes/xcschememanagement.plist b/MySpleeter.xcodeproj/xcuserdata/koji.xcuserdatad/xcschemes/xcschememanagement.plist
index 4136275..6eea68b 100644
--- a/MySpleeter.xcodeproj/xcuserdata/koji.xcuserdatad/xcschemes/xcschememanagement.plist
+++ b/MySpleeter.xcodeproj/xcuserdata/koji.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -10,5 +10,13 @@
 			<integer>0</integer>
 		</dict>
 	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>EB716DDF24FE543B00ED4FA1</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
 </dict>
 </plist>
diff --git a/MySpleeter/MySpleeter.entitlements b/MySpleeter/MySpleeter.entitlements
index f2ef3ae..00f46d6 100644
--- a/MySpleeter/MySpleeter.entitlements
+++ b/MySpleeter/MySpleeter.entitlements
@@ -2,9 +2,15 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-    <key>com.apple.security.app-sandbox</key>
-    <true/>
-    <key>com.apple.security.files.user-selected.read-only</key>
-    <true/>
+	<key>com.apple.security.cs.allow-dyld-environment-variables</key>
+	<true/>
+	<key>com.apple.security.cs.allow-jit</key>
+	<true/>
+	<key>com.apple.security.cs.allow-unsigned-executable-memory</key>
+	<true/>
+	<key>com.apple.security.cs.disable-executable-page-protection</key>
+	<true/>
+	<key>com.apple.security.cs.disable-library-validation</key>
+	<true/>
 </dict>
 </plist>
diff --git a/MySpleeter/SpleeterWrapper.m b/MySpleeter/SpleeterWrapper.m
index ea24109..c1e3795 100644
--- a/MySpleeter/SpleeterWrapper.m
+++ b/MySpleeter/SpleeterWrapper.m
@@ -110,6 +110,11 @@ -(void)makeSeparator5stems{
     NSLog(@"initializing separator...");
     PyObject *pName = PyUnicode_DecodeFSDefault("spleeter.separator");
     PyObject *pModule = PyImport_Import(pName);
+    if(!pModule){
+        NSString *pyErr = [self getPythonError];
+        NSLog(@"%@", pyErr);
+        return;
+    }
     PyObject *pFunc = PyObject_GetAttrString(pModule, "Separator");
     PyObject *pArgs = PyTuple_New(1);
     PyObject *pArg = PyUnicode_DecodeFSDefault("spleeter:5stems");