diff --git a/assets/spectra/aluminum.txt b/python/pyhelios/data/spectra/aluminum.txt
similarity index 100%
rename from assets/spectra/aluminum.txt
rename to python/pyhelios/data/spectra/aluminum.txt
diff --git a/assets/spectra/asphalt.txt b/python/pyhelios/data/spectra/asphalt.txt
similarity index 100%
rename from assets/spectra/asphalt.txt
rename to python/pyhelios/data/spectra/asphalt.txt
diff --git a/assets/spectra/conifer.txt b/python/pyhelios/data/spectra/conifer.txt
similarity index 100%
rename from assets/spectra/conifer.txt
rename to python/pyhelios/data/spectra/conifer.txt
diff --git a/assets/spectra/copper.txt b/python/pyhelios/data/spectra/copper.txt
similarity index 100%
rename from assets/spectra/copper.txt
rename to python/pyhelios/data/spectra/copper.txt
diff --git a/assets/spectra/deciduous.txt b/python/pyhelios/data/spectra/deciduous.txt
similarity index 100%
rename from assets/spectra/deciduous.txt
rename to python/pyhelios/data/spectra/deciduous.txt
diff --git a/assets/spectra/grass.txt b/python/pyhelios/data/spectra/grass.txt
similarity index 100%
rename from assets/spectra/grass.txt
rename to python/pyhelios/data/spectra/grass.txt
diff --git a/assets/spectra/grass_dry.txt b/python/pyhelios/data/spectra/grass_dry.txt
similarity index 100%
rename from assets/spectra/grass_dry.txt
rename to python/pyhelios/data/spectra/grass_dry.txt
diff --git a/assets/spectra/shingle_gray.txt b/python/pyhelios/data/spectra/shingle_gray.txt
similarity index 100%
rename from assets/spectra/shingle_gray.txt
rename to python/pyhelios/data/spectra/shingle_gray.txt
diff --git a/assets/spectra/shingle_red.txt b/python/pyhelios/data/spectra/shingle_red.txt
similarity index 100%
rename from assets/spectra/shingle_red.txt
rename to python/pyhelios/data/spectra/shingle_red.txt
diff --git a/assets/spectra/wood.txt b/python/pyhelios/data/spectra/wood.txt
similarity index 100%
rename from assets/spectra/wood.txt
rename to python/pyhelios/data/spectra/wood.txt