diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b7a2dde5..9e038e6e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,15 +6,15 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python: [3.7, 3.8, 3.9]
+        python: ['3.8', '3.9', '3.10']
         numba_boundscheck: [0]
         include:
           - os: macos-latest
-            python: 3.9
+            python: '3.10'
           - os: windows-latest
-            python: 3.9
+            python: '3.10'
           - os: ubuntu-latest
-            python: 3.9
+            python: '3.10'
             numba_boundscheck: 1
       fail-fast: false
     runs-on: ${{ matrix.os }}
@@ -79,7 +79,7 @@ jobs:
           activate-environment: sparse-dev
           allow-softlinks: true
           environment-file: ci/environment.yml
-          python-version: 3.9
+          python-version: '3.10'
           miniforge-variant: Mambaforge
           use-only-tar-bz2: true
           use-mamba: true
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
deleted file mode 100644
index 598f4a0b..00000000
--- a/azure-pipelines.yml
+++ /dev/null
@@ -1,52 +0,0 @@
-jobs:
-- job: Linux
-  variables:
-    python_version: '3.6'
-  pool:
-    vmImage: 'ubuntu-latest'
-  steps:
-    - template: ci/azure-steps.yml
-  strategy:
-    matrix:
-        Python39:
-          python_version: '3.9'
-        Python38:
-          python_version: '3.8'
-        Python37:
-          python_version: '3.7'
-- job: MacOS
-  variables:
-    python_version: '3.6'
-  pool:
-    vmImage: 'macos-latest'
-  steps:
-    - template: ci/azure-steps.yml
-- job: Windows
-  variables:
-    python_version: '3.6'
-  pool:
-    vmImage: 'windows-latest'
-  steps:
-    - template: ci/azure-steps.yml
-- job: Docs
-  pool:
-    vmImage: 'ubuntu-latest'
-  steps:
-    - template: ci/azure-docs.yml
-
-trigger:
-  branches:
-    include:
-    - master
-    - vnext
-  tags:
-    include:
-    - '*'
-
-pr:
-  branches:
-    include:
-    - master
-    - releases/*
-    exclude:
-    - releases/old*
diff --git a/ci/01-install.sh b/ci/01-install.sh
deleted file mode 100755
index 2d5dbf94..00000000
--- a/ci/01-install.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/usr/bin/env bash
-
-if [[ $NUMPY_VERSION ]]; then
-    pip install numpy$NUMPY_VERSION;
-fi
-
-pip install -e .[tests]
-pip install codecov
diff --git a/ci/azure-docs.yml b/ci/azure-docs.yml
deleted file mode 100644
index 5fa79c13..00000000
--- a/ci/azure-docs.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-steps:
-- task: UsePythonVersion@0
-  inputs:
-    versionSpec: "3.7"
-    architecture: "x64"
-
-- script: |
-    pip install -e .[docs]
-  displayName: Install package
-
-- script: sphinx-build -W -b html docs/ _build/html
-  displayName: Build documentation
-
-- task: PublishPipelineArtifact@1
-  inputs:
-    artifactName: 'Documentation'
-    targetPath: '$(System.DefaultWorkingDirectory)/_build/html'
diff --git a/ci/azure-steps.yml b/ci/azure-steps.yml
deleted file mode 100644
index bae51f72..00000000
--- a/ci/azure-steps.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-steps:
-  - task: UsePythonVersion@0
-    inputs:
-      versionSpec: $(python_version)
-      architecture: "x64"
-
-  - script: |
-      pip install numpy$NUMPY_VERSION;
-      pip install -e .[tests]
-      pip install codecov
-    displayName: Install package
-
-  - script: pytest --pyargs sparse
-    displayName: Run tests
-
-  - script: codecov
-    displayName: Upload coverage to CodeCov
-
-  - task: PublishTestResults@2
-    condition: always()
-    inputs:
-      testResultsFiles: "$(System.DefaultWorkingDirectory)/**/test-*.xml"
-      testRunTitle: "Publish test results"
-
-  - task: PublishCodeCoverageResults@1
-    inputs:
-      codeCoverageTool: Cobertura
-      summaryFileLocation: "$(System.DefaultWorkingDirectory)/**/coverage.xml"
diff --git a/ci/environment-3.6.yml b/ci/environment-3.6.yml
deleted file mode 100644
index fd2fc2e1..00000000
--- a/ci/environment-3.6.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: py36-sparse-test
-channels:
-  - conda-forge
-dependencies:
-  - python=3.6
-  - pip
-  - pytest
-  - numpy
-  - scipy
-  - pytest-cov
-  - nomkl
-  - numba
-  - black
-  - codecov
-  - pip:
-    - pytest-black
diff --git a/ci/environment-3.7.yml b/ci/environment-3.7.yml
deleted file mode 100644
index f04f1d04..00000000
--- a/ci/environment-3.7.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: py37-sparse-test
-channels:
-  - conda-forge
-dependencies:
-  - python=3.7
-  - pip
-  - pytest
-  - numpy
-  - scipy
-  - pytest-cov
-  - nomkl
-  - numba
-  - black
-  - codecov
-  - pip:
-    - pytest-black
diff --git a/ci/environment-3.8.yml b/ci/environment-3.8.yml
deleted file mode 100644
index 5a28cf9a..00000000
--- a/ci/environment-3.8.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: py38-sparse-test
-channels:
-  - conda-forge
-dependencies:
-  - python=3.8
-  - pip
-  - pytest
-  - numpy
-  - scipy
-  - pytest-cov
-  - nomkl
-  - numba
-  - black
-  - codecov
-  - pip:
-    - pytest-black
diff --git a/readthedocs.yml b/readthedocs.yml
index 0413384f..fc3870b9 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -2,7 +2,7 @@ build:
   image: latest
 
 python:
-  version: 3.7
+  version: '3.9'
   pip_install: true
   extra_requirements:
     - docs
diff --git a/setup.py b/setup.py
index f177cefc..0e21e6dc 100755
--- a/setup.py
+++ b/setup.py
@@ -59,9 +59,9 @@ def parse_requires():
         "License :: OSI Approved :: BSD License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3 :: Only",
         "Intended Audience :: Developers",
         "Intended Audience :: Science/Research",
@@ -74,5 +74,5 @@ def parse_requires():
     entry_points={
         "numba_extensions": ["init = sparse._numba_extension:_init_extension"]
     },
-    python_requires=">=3.6, <4",
+    python_requires=">=3.8, <4",
 )
diff --git a/sparse/_coo/core.py b/sparse/_coo/core.py
index a618a834..cda3ceb6 100644
--- a/sparse/_coo/core.py
+++ b/sparse/_coo/core.py
@@ -241,12 +241,11 @@ def __init__(
         if self.data.ndim != 1:
             raise ValueError("data must be a scalar or 1-dimensional.")
 
-        if shape and not self.coords.size:
-            self.coords = np.zeros(
-                (len(shape) if isinstance(shape, Iterable) else 1, 0), dtype=np.intp
-            )
-
         if shape is None:
+            warnings.warn(
+                "shape should be provided. This will raise a ValueError in the future.",
+                DeprecationWarning,
+            )
             if self.coords.nbytes:
                 shape = tuple((self.coords.max(axis=1) + 1))
             else:
@@ -255,6 +254,18 @@ def __init__(
         if not isinstance(shape, Iterable):
             shape = (shape,)
 
+        if isinstance(shape, np.ndarray):
+            shape = tuple(shape)
+
+        if shape and not self.coords.size:
+            warnings.warn(
+                "coords should be an ndarray. This will raise a ValueError in the future.",
+                DeprecationWarning,
+            )
+            self.coords = np.zeros(
+                (len(shape) if isinstance(shape, Iterable) else 1, 0), dtype=np.intp
+            )
+
         super().__init__(shape, fill_value=fill_value)
         if idx_dtype:
             if not can_store(idx_dtype, max(shape)):
diff --git a/sparse/tests/test_coo.py b/sparse/tests/test_coo.py
index 74310df4..78daf569 100644
--- a/sparse/tests/test_coo.py
+++ b/sparse/tests/test_coo.py
@@ -1672,3 +1672,10 @@ def test_scalar_elemwise():
     x1 = s1.todense()
 
     assert_eq(s1 * x2, x1 * x2)
+
+
+def test_array_as_shape():
+    coords = [[0, 1, 2, 3, 4], [0, 1, 2, 3, 4]]
+    data = [10, 20, 30, 40, 50]
+
+    s = sparse.COO(coords, data, shape=np.array((5, 5)))