fix titiler cross dependencies

Author: vincentsarago

src/titiler/application/setup.py

@@ -7,8 +7,8 @@
 
 inst_reqs = [
     "rio-cogeo>=3.0,<4.0",
-    "titiler.core",
-    "titiler.mosaic",
+    "titiler.core>=0.4.0a0,<0.5",
+    "titiler.mosaic>=0.4.0a0,<0.5",
     "starlette-cramjam>=0.1.0,<0.2",
     "python-dotenv",
 ]
@@ -24,12 +24,11 @@
     description=u"A modern dynamic tile server built on top of FastAPI and Rasterio/GDAL.",
     long_description=long_description,
     long_description_content_type="text/markdown",
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     classifiers=[
         "Intended Audience :: Information Technology",
         "Intended Audience :: Science/Research",
         "License :: OSI Approved :: BSD License",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",

src/titiler/mosaic/setup.py

@@ -5,7 +5,7 @@
 with open("README.md") as f:
     long_description = f.read()
 
-inst_reqs = ["titiler.core", "cogeo-mosaic>=4.0.0a0,<4.1"]
+inst_reqs = ["titiler.core>=0.4.0a0,<0.5", "cogeo-mosaic>=4.0.0a0,<4.1"]
 extra_reqs = {
     "test": ["pytest", "pytest-cov", "pytest-asyncio", "requests"],
 }