Fix default check for CI

Author: znicholls

src/example_fgen_basic/fpyfgen/base_finalisable.f90

@@ -37,6 +37,9 @@ subroutine derived_type_finalise(self)
             !! Finalise the instance (i.e. free/deallocate)
 
             import :: BaseFinalisable
+
+            implicit none
+
             class(BaseFinalisable), intent(inout) :: self
 
         end subroutine derived_type_finalise

src/example_fgen_basic/fpyfgen/derived_type_manager_helpers.f90

@@ -33,7 +33,7 @@ subroutine get_derived_type_free_instance_number(instance_index, n_instances, in
         class(BaseFinalisable), dimension(n_instances), intent(inout) :: instance_array
         !! Array of instances
 
-        integer :: i = 1
+        integer :: i
 
         ! Default if no available models are found
         instance_index = invalid_instance_index

tests/conftest.py

@@ -7,5 +7,5 @@
 import os
 import sys
 
-if os.environ["CI"] == "true" and sys.platform() == "win32":
+if os.environ.get("CI", "false") == "true" and sys.platform() == "win32":
     os.add_dll_directory("C:\\ProgramData\\mingw64\\mingw64\\bin")