Update OSGeo imports

Replace deprecated imports, e.g.:

  import gdal

with updated method, e.g.

  from osgeo import gdal

bin/LiCSBAS02_ml_prep.py

@@ -86,7 +86,7 @@
 import sys
 import time
 import shutil
-import gdal
+from osgeo import gdal
 import glob
 import numpy as np
 import subprocess as subp

bin/LiCSBAS03op_GACOS.py

@@ -83,7 +83,7 @@
 import shutil
 import glob
 import numpy as np
-import gdal
+from osgeo import gdal
 import multiprocessing as multi
 import LiCSBAS_io_lib as io_lib
 import LiCSBAS_tools_lib as tools_lib

bin/LiCSBAS_color_geotiff.py

@@ -144,7 +144,7 @@ def __init__(self, msg):
 
 
     #%% Set color range
-    import gdal
+    from osgeo import gdal
 
     ### Auto
     if cmin is None:

bin/LiCSBAS_color_geotiff2tiles.py

@@ -53,7 +53,7 @@
 import time
 import shutil
 import glob
-import gdal
+from osgeo import gdal
 import numpy as np
 import subprocess as subp
 import multiprocessing as multi

bin/LiCSBAS_decomposeLOS.py

@@ -39,7 +39,7 @@
 import getopt
 import os
 import sys
-import gdal, osr
+from osgeo import gdal, osr
 import numpy as np
 import time
 from decimal import Decimal

bin/LiCSBAS_disp_img.py

@@ -74,7 +74,7 @@
 import subprocess as subp
 import SCM
 import zipfile
-import gdal
+from osgeo import gdal
 
 import LiCSBAS_tools_lib as tools_lib
 import LiCSBAS_io_lib as io_lib

bin/LiCSBAS_flt2geotiff.py

@@ -167,7 +167,7 @@ def main(argv=None):
     else:
         print('Use gdal module')
         try:
-            import gdal, osr
+            from osgeo import gdal, osr
         except:
             print("\nERROR: gdal must be installed.", file=sys.stderr)
             return 1