Fixed AssertionError in case GeoArray is instanced with a file from disk...

Fixed AssertionError in case GeoArray is instanced with a file from disk without map information and projection is set afterwards.

Makefile

@@ -50,8 +50,8 @@ clean-test: ## remove test and coverage artifacts
 	rm -fr nosetests.xml
 
 lint: ## check style with flake8
-	flake8 --max-line-length=120 geoarray tests > ./tests/linting/flake8.log
-	pycodestyle geoarray --exclude="*.ipynb,*.ipynb*" --max-line-length=120 > ./tests/linting/pycodestyle.log
+flake8 --max-line-length=120 geoarray tests > ./tests/linting/flake8.log
+pycodestyle geoarray --exclude="*.ipynb,*.ipynb*" --max-line-length=120 > ./tests/linting/pycodestyle.log
 	-pydocstyle geoarray > ./tests/linting/pydocstyle.log
 
 test: ## run tests quickly with the default Python

geoarray/baseclasses.py

@@ -306,7 +306,7 @@ class GeoArray(object):
     @projection.setter
     def projection(self, prj):
         # type: (str) -> None
-        if self.filePath:
+        if self.filePath and self.projection:
             assert self.projection is None or prj_equal(self.projection, prj), \
                 "Cannot set %s.projection to the given value because it does not match the projection from the file " \
                 "on disk." % self.__class__.__name__