Fix cases with optional path

src/modules/EventLoaderATLASpix/EventLoaderATLASpix.cpp

@@ -10,7 +10,10 @@ EventLoaderATLASpix::EventLoaderATLASpix(Configuration config, std::shared_ptr<D
     m_timewalkCorrectionFactors = m_config.getArray<double>("timewalkCorrectionFactors", std::vector<double>());
 
     m_inputDirectory = m_config.getPath("inputDirectory");
+
+    if(m_config.has("calibrationFile")) {
         m_calibrationFile = m_config.getPath("calibrationFile");
+    }
 
     m_clockCycle = m_config.get<double>("clockCycle", static_cast<double>(Units::convert(6.25, "ns")));
 

src/modules/EventLoaderTimepix3/EventLoaderTimepix3.cpp

@@ -26,8 +26,10 @@ EventLoaderTimepix3::EventLoaderTimepix3(Configuration config, std::shared_ptr<D
     m_numberPixelHits = m_config.get<size_t>("number_of_pixelhits", 2000);
 
     // Calibration parameters
+    if(m_config.has("calibrationPath")) {
         calibrationPath = m_config.getPath("calibrationPath", "");
         threshold = m_config.get<std::string>("threshold", "");
+    }
 }
 
 void EventLoaderTimepix3::initialise() {