diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index a9bd7c0fa..b94e61cb9 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -29,37 +29,9 @@
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+    <list default="true" id="aa3ee678-6e91-470f-91a9-09e9d8a4756d" name="Changes" comment="Fixed None profiles for buses issue">
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+      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/Utils/Filtering/filtering.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/Utils/Filtering/filtering.py" afterDir="false" />
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+  <component name="PropertiesComponent"><![CDATA[{
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     <option name="myPyQtBackend" value="pyside6" />
@@ -520,6 +493,29 @@
       <option name="INPUT_FILE" value="" />
       <method v="2" />
     </configuration>
+    <configuration name="upload_to_pypi" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
+      <module name="GridCal" />
+      <option name="ENV_FILES" value="" />
+      <option name="INTERPRETER_OPTIONS" value="" />
+      <option name="PARENT_ENVS" value="true" />
+      <envs>
+        <env name="PYTHONUNBUFFERED" value="1" />
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+      <option name="SDK_HOME" value="" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/src" />
+      <option name="IS_MODULE_SDK" value="true" />
+      <option name="ADD_CONTENT_ROOTS" value="true" />
+      <option name="ADD_SOURCE_ROOTS" value="true" />
+      <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+      <option name="SCRIPT_NAME" value="$PROJECT_DIR$/src/upload_to_pypi.py" />
+      <option name="PARAMETERS" value="" />
+      <option name="SHOW_COMMAND_LINE" value="false" />
+      <option name="EMULATE_TERMINAL" value="false" />
+      <option name="MODULE_MODE" value="false" />
+      <option name="REDIRECT_INPUT" value="false" />
+      <option name="INPUT_FILE" value="" />
+      <method v="2" />
+    </configuration>
     <configuration default="true" type="Python.FlaskServer">
       <module name="GridCalEngine" />
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@@ -583,7 +579,7 @@
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       <method v="2" />
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-    <configuration name="Nosetests for tests.test_ac_opf.test_ieee14" type="tests" factoryName="Nosetests" temporary="true" nameIsGenerated="true">
+    <configuration name="Nosetests for tests.admittance_matrix_test.test1" type="tests" factoryName="Nosetests" temporary="true" nameIsGenerated="true">
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@@ -596,24 +592,7 @@
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-      <option name="_new_target" value="&quot;tests.test_continuation_power_flow&quot;" />
+      <option name="_new_target" value="&quot;tests.admittance_matrix_test.test1&quot;" />
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       <updated>1698766404661</updated>
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-    <option name="LAST_COMMIT_MESSAGE" value="Removed traces of node-breaker diagram" />
+    <MESSAGE value="the profiles now have stronger typing" />
+    <MESSAGE value="Fixed None profiles for buses issue" />
+    <option name="LAST_COMMIT_MESSAGE" value="Fixed None profiles for buses issue" />
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@@ -2232,13 +2211,13 @@
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           <condition expression="n == 0" language="Python" />
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-          <line>384</line>
+          <line>382</line>
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-          <line>1002</line>
+          <line>1006</line>
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-          <line>827</line>
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-          <line>420</line>
-          <option name="timeStamp" value="1549" />
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+          <url>file://$PROJECT_DIR$/src/GridCalEngine/Devices/sparse_array.py</url>
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-          <url>file://$PROJECT_DIR$/src/GridCalEngine/Devices/profile.py</url>
-          <line>414</line>
-          <option name="timeStamp" value="1551" />
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+          <url>file://$PROJECT_DIR$/src/GridCalEngine/Devices/sparse_array.py</url>
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-          <line>416</line>
-          <option name="timeStamp" value="1552" />
+          <condition expression="not (dtype == float)" language="Python" />
+          <url>file://$PROJECT_DIR$/src/GridCalEngine/Devices/sparse_array.py</url>
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-          <option name="timeStamp" value="1553" />
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+    <SUITE FILE_PATH="coverage/GridCal$upload_to_pypi.coverage" NAME="upload_to_pypi Coverage Results" MODIFIED="1712678358703" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src" />
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@@ -2469,7 +2503,7 @@
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-    <SUITE FILE_PATH="coverage/GridCal$ExecuteGridCal.coverage" NAME="ExecuteGridCal Coverage Results" MODIFIED="1712676285180" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal" />
+    <SUITE FILE_PATH="coverage/GridCal$ExecuteGridCal.coverage" NAME="ExecuteGridCal Coverage Results" MODIFIED="1712683064898" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal" />
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@@ -2477,7 +2511,7 @@
     <SUITE FILE_PATH="coverage/GridCal$update_gui_all.coverage" NAME="update_gui_all Coverage Results" MODIFIED="1696580506087" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal/Gui" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_for_tests_test_unbalanced_faults_test_unbalanced_short_circuit.coverage" NAME="Nosetests for tests.test_unbalanced_faults.test_unbalanced_short_circuit Coverage Results" MODIFIED="1700150895798" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
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-    <SUITE FILE_PATH="coverage/GridCal$Nosetests_in_tests.coverage" NAME="Nosetests in tests Coverage Results" MODIFIED="1712675861417" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
+    <SUITE FILE_PATH="coverage/GridCal$Nosetests_in_tests.coverage" NAME="Nosetests in tests Coverage Results" MODIFIED="1712681285005" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_in_test_numerical_circuit_py.coverage" NAME="Nosetests in test_numerical_circuit.py Coverage Results" MODIFIED="1706864003379" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_for_tests_test_short_circuit_test_short_circuit.coverage" NAME="Nosetests for tests.test_short_circuit.test_short_circuit Coverage Results" MODIFIED="1660897112809" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_for_tests_test_nonlinear_contingency_test_non_linear_factors.coverage" NAME="Nosetests for tests.test_nonlinear_contingency.test_non_linear_factors Coverage Results" MODIFIED="1706025232722" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
@@ -2570,8 +2604,8 @@
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     <SUITE FILE_PATH="coverage/GridCal$io_call.coverage" NAME="io_call Coverage Results" MODIFIED="1708619816856" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/trunk/io" />
     <SUITE FILE_PATH="coverage/GridCal$gui.coverage" NAME="gui Coverage Results" MODIFIED="1649779929647" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal/Gui/AboutDialogue" />
-    <SUITE FILE_PATH="coverage/GridCal$Nosetests_for_tests_admittance_matrix_test_test1.coverage" NAME="Nosetests for tests.admittance_matrix_test.test1 Coverage Results" MODIFIED="1700841710651" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$admittance_variations.coverage" NAME="admittance_variations Coverage Results" MODIFIED="1603050030453" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/research/admittance" />
+    <SUITE FILE_PATH="coverage/GridCal$Nosetests_for_tests_admittance_matrix_test_test1.coverage" NAME="Nosetests for tests.admittance_matrix_test.test1 Coverage Results" MODIFIED="1712680871924" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
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     <SUITE FILE_PATH="coverage/GridCal$Nosetests_for_tests_test_ptdf_test_ptdf_generation_contingencies.coverage" NAME="Nosetests for tests.test_ptdf.test_ptdf_generation_contingencies Coverage Results" MODIFIED="1710155943890" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_in_profiles_test_py.coverage" NAME="Nosetests in profiles_test.py Coverage Results" MODIFIED="1708506908568" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
diff --git a/src/GridCalEngine/Utils/Filtering/filtering.py b/src/GridCalEngine/Utils/Filtering/filtering.py
index 2cbefcd0c..7694073ff 100644
--- a/src/GridCalEngine/Utils/Filtering/filtering.py
+++ b/src/GridCalEngine/Utils/Filtering/filtering.py
@@ -341,7 +341,7 @@ def parse_single(token: str) -> Union[Filter, None]:
     :param token: Token
     :return: Filter or None if the token is not valid
     """
-    elms = re.split(r'([<>=!]=?|in|starts|ends|like|notlike)', token)
+    elms = re.split(r'(?<=\s)([<>=!]=?|in|starts|ends|like|notlike)(?=\s)', token)
 
     if len(elms) == 3: